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Friday, June 28, 2013

Preliminary June Climate Summary

Preliminary June Climate Summary

Most observers reported a near normal June mean temperature this year, with a few northern locations reporting slightly cooler than normal values. The highest temperature for the month occurred on the 20th with 91 degrees F at MSP, Amboy, and Madison. The lowest temperature for the month was 26 degrees F at Embarrass on the 3rd.

Like previous months this year, June turned out to be wetter than normal for most Minnesota observers. Exceptions were some areas of northern Minnesota which received less than normal rainfall for June. For some Minnesota communities it was a very wet month indeed. Among those reporting over 9 inches for the month were Morris, Albert Lea, Wells, Caledonia, Preston, and Spring Grove. The June rainfall of 12.13 inches at Spring Grove is a new record total for the month surpassing 11.70 inches in 2000, while the 12.58 inches reported from Wells, MN is also a new June record for them.

As a precursor to the abundant rainfall this month, the first week of June was the cloudiest in over 50 years with very little sunshine. Heavy rains, high winds and hail occurred in southern Minnesota on June 12th, with baseball size hail reported near Wells. Similar weather occurred across east-central Minnesota over Father's Day weekend (June 15-16), and again over southwestern Minnesota on June 18th. Heavy rains with high winds swept across central portions of the state over June 20-22, causing street flooding, tree damage, and widespread power outages, especially around the Twin Cities Metro Area. Lastly, over June 25-26 heavy thunderstorms over northern Wilkin County and southern Clay County brought 6-8 inches of rainfall and sent a flood crest down the Red River. You can read about this storm here.

July 4th climatology

For the Twin Cities area rain has occurred on this holiday 49 times since 1891, the highest frequency of precipitation for all major holidays of the year. The longest streak of rainy Independence Days was six consecutive years from 1900 to 1905, with July 4th, 1900 being the wettest ever as 2.27 inches of rain fell from a thunderstorm. The holiday was rain-free for six consecutive years from 1939 to 1944 and again from 1952 to 1957.

In terms of temperature, the average high temperature for the date is 82 F and the average low 62 F. The average dew point is 59 F, but has been as high as 79 F (1999). The Heat Index (derived from temperature and humidity or dew point) has been uncomfortably high on the 4th of July a number of times. HI values above 90 F have occurred on 22 occasions since 1891. There have been eight July 4th holidays when the HI value exceeded 100 F, most recently 2012 when it hit 108 degrees F (with a record high temperature of 101 degrees F). The worst case was a Heat Index of 112 F in 1949. This was the cause of 12 heat related fatalities that year in the Twin Cities. The coldest daytime temperature on July 4th was just 58 degrees F in 1967. Early indications are we might be cooler than normal for this coming July 4th.

Weekly Weather potpourri

The NOAA National Weather Service Forecast Office in Las Vegas, NV is putting out an interesting forecast for that area of the country this weekend. Here are the weekend forecasted highs:
Las Vegas, NV 113 degrees F
Kingman, AZ 110 degrees F
Death Valley, CA (Furnace Creek) 129 degrees F
Needles, CA 125 degrees F
Bullhead, AZ 124 degrees F
These are near record values for this time of year.

Earlier this week NOAA released estimates of the economic impact of weather and climate events during 2012. Super Storm Sandy inflicted damage costs estimated at $65 billion, while yearlong drought conditions resulted in approximately $30 billion. The total bill for 2012 was estimated to be $110 billion, the 2nd costliest year in terms of weather and climate related disasters since such record keeping started in 1980. You can read more here.

Earlier this week President Obama presented a plan for dealing with climate change, most of which does not require the approval of Congress. He ask for actions to curb emissions and to find ways to adapt to climate change. He also said he has no patience for those who deny it is happening. You can read the full text of his speech at the White House web site.

MPR listener question

Did we see the highest dewpoints of the year so far this week? It was very hot and sticky on Wednesday as I drank over a gallon of water while pouring a new concrete sidewalk in Wayzata.

Answer: Yes indeed. Dew points ranged between 70 and 76 degrees F on Wednesday (June 26) this week, making the outside air feel like the mid to upper 90s F. In fact the Twin Cities reported four consecutive days this week, June 23-26, when the dewpoint hit 70 degrees F or higher, topping out at 74 degrees F on Wednesday. Though not quite record daily values, these are still very high for this time of year in Minnesota.

Twin Cities Almanac for June 28th

The average MSP high temperature for this date is 81 degrees F (plus or minus 8 degrees F standard deviation), while the average low is 61 degrees F (plus or minus 7 degrees F standard deviation).

MSP Local Records for June 28th

MSP weather records for this date include: highest daily maximum temperature of 102 degrees F in 1931; lowest daily maximum temperature of 64 degrees F in 1923; lowest daily minimum temperature of 47 F in 1924; highest daily minimum temperature of 82 F in 1931; and record precipitation of 3.60 inches at Moorhead (Clay County) in 1897; No snow has been recorded on this date.

Average dew point for June 28th is 59 degrees F, with a maximum of 77 degrees F in 1996 and a minimum of 33 degrees F in 1925.

All-time state records for June 28th

The state record high temperature for this date is 108 degrees F at Canby (Yellow Medicine) in 1931. The state record low temperature for this date is 24 degrees F at Sawbill Camp (Cook County) in 1936. State record precipitation for this date is 5.70 inches at Fosston (Polk County) in 1921; and no snow has fallen on this date.

Past Weather Features:

A Heat Wave prevailed over the state during June 26-30, 1931. The hottest June 28th in state history brought high temperatures of 100 degrees F or greater to over 24 Minnesota communities, topped by 108 degrees F at Canby. In fact Canby, Montevideo, Willmar, Tracy, and Winona all reported 5 consecutive days with afternoon highs of 100 degrees F or greater. Thankfully a cold front swept in over July 1-2 and dropped temperatures by 25 to 35 degrees F.

Heavy rains rescued Minnesota crops from drought over June 25-28, 1959. Rainfall amounts from 2 to 5 inches fell that week just as crops were withering from drought conditions. Some observers reported record-setting amounts of rain on the 28th, including Winnebago with 3.51 inches (still a record today).

June 28, 1983 brought record cold to northeastern Minnesota counties where a number of observers reported overnight lows of 27 to 31 degrees. There were many frosted gardens.


Cooler over the weekend with a chance for widely scattered showers on Saturday. Mostly dry Sunday and Monday, then another chance for showers by Wednesday and Thursday next week. Temperatures will be near normal on most days.

Friday, June 21, 2013

Severe weather episode June 20-21

Severe weather episode June 20-21

A Mesoscale Convection System (MCS) brought severe weather to the state overnight during Thursday and Friday this week (June 20-21). This complex of thunderstorms produced some hail that ranged from 1 inch to one and three-quarter inch diameter, along with some wind gusts from 60-85 mph, especially in western and central parts of the state where many trees were damage. There were numerous power outages reported, along with some very heavy rainfalls that caused flash flooding in a several Minnesota counties. Many roads were closed for a time. Some of the rainfall amounts reported included:
3.56" at Hawley
3.41 inches at Sandstone
3.73 inches at Little Falls
2.63 inches at Brainerd
2.57 inches at Cloquet
2.25 inches at Staples

Yet more rain with warm air and high dewpoints is forecasted for the upcoming weekend across Minnesota.

New Seasonal Climate Outlook

The NOAA Climate Prediction Center released a new seasonal climate outlook on Thursday this week, covering the period from July through September. The western USA is expected to be warmer than normal while much of the rest of the country, including Minnesota sees equal chances of being warmer or cooler than normal during the ENSO neutral period. The southeastern USA is expected to be wetter than normal over this period, while the northwest and parts of west Texas and Oklahoma are expected to be dry. For much of the country, including Minnesota, the outlook shows equal chances for wetter or drier than normal. Certainly our recent summer climate trends suggest we'll see both wetter and drier than normal conditions prevail, but in different parts of the state.

90s F Return

Thursday, June 20 brought plenty of heat and moisture to the state as dewpoints rose into the low to mid 60s F and late afternoon temperatures reached 90 degrees F at many locations including Red Wing, Luverne, Marshall, Worthington, Mankato, Olivia, and Jackson. The Twin Cities, along with St James and Willmar reported a high temperature of 91 degrees F. This was the second episode of 90s F in 2013 for many southern Minnesota observers, and the warmest day since the record-setting high temperatures of May 14 last month. The high dewpoints provided fuel for thunderstorm development and some of the state was under a flash flood watch going into Friday, June 21st. Some of these Minnesota cities under a flash flood watch were Duluth, Cloquet, and Two Harbors, all of which suffered from the devastating floods of almost exactly one year ago.

June 21st Summer Solstice Frost of 1992

This date is a memorable one in Minnesota history as the only summer solstice that brought damage frost to the state's corn and soybean crops. The Mt Pinatubo eruption in the Philippines during 1991 was later attributed to be one of the causes of this event which turned out to a singularity in Minnesota's climate history. Temperatures as cold as 25 degrees F (Brimson) were reported in the north, but even as far south as Preston, Theilman and Zumbrota reported 33 degrees F with frost in low spots. Some corn fields were severely damaged and later only harvested for silage. Soybeans leaves mostly burned by the frost recovered and produced even pods and beans for harvest, but the yields were not very good.

Weekly Weather potpourri

Tropical Storm Barry was producing heavy rainfall amounts over parts of central Mexico this week. Some areas had received 3 to 5 inches of rainfall in a short period of time. But Barry was slowly dissipating by Friday of this week.

Tropical Storm Bebinca was tracking toward Vietnam this week packing 50-60 mph winds and producing sea wave heights of 15 to 20 feet. It was expected to bring heavy rains to Hanoi over the weekend as it dissipates over land.

Calgary, Canada was hit with a major flooding this week of nearby rivers and streams as a large scale storm system brought six or more inches of rainfall to some areas. It was some of the worst flooding there in a decade and caused the evacuation of up to 75,000 citizens due to the threat of high water.

MPR listener question

Since this week was the one-year anniversary of the devastating flash floods in Duluth, Two Harbors, and Moose Lake I wondered how the maximum rainfall intensity of that storm compared to the famous Twin Cities flash flood of July 23, 1987 (10 inches in 6 hours)?
Answer: The USGS has just finished a thorough report of the flash flood in northeastern Minnesota over June 19-20, 2012. It is available online.

Comparing maximum rainfall rates of the two storms is approximate, not precise. But the data suggest that the maximum intensity during the Twin Cities flash flood of July 23, 1987 ranged from 2.5 to 3.0 inches per hour. Analysis of the overnight rainfall rates from the June 19-20, 2012 flash flood in the Duluth area last year suggest that maximum rainfall rates ranged from 2 to 4 inches. These are remarkable intensities, perhaps on the order of once in 100 or 200 year rainfall rates, and certainly analogous to those measured during powerful tropical storms.

Twin Cities Almanac for June 21st

The average MSP high temperature for this date is 79 degrees F (plus or minus 8 degrees F standard deviation), while the average low is 60 degrees F (plus or minus 7 degrees F standard deviation).

MSP Local Records for June 21st

MSP weather records for this date include: highest daily maximum temperature of 95 degrees F in 1910; lowest daily maximum temperature of 59 degrees F in 1906; lowest daily minimum temperature of 39 F in 1992; highest daily minimum temperature of 74 F in 1943; and record precipitation of 2.95 inches in 2002; No snow has been recorded on this date.

Average dew point for June 21st is 56 degrees F, with a maximum of 75 degrees F in 1986 and a minimum of 26 degrees F in 1992.

All-time state records for June 21st

The state record high temperature for this date is 107 degrees F at Browns Valley (Traverse County) in 1988. The state record low temperature for this date is 25 degrees F at Sawbill Camp (Cook County) in 1936 an at Brimson (St Louis County) in 1992. State record precipitation for this date is 6.25 inches at West Union (Todd County) in 1941; and no snow has fallen on this date.

Past Weather Features:

June 21, 1988 was the hottest in Minnesota history bringing temperatures of 90 degrees F or greater to over 100 cities in the state. Many observers reported record-setting high temperatures of 100 degrees F or greater, including nearly all the climate observers in southwestern counties. June of 1988 proved to be the 2nd warmest in state history, with numerous days over 90 degrees F.

June 21, 2009 brought three tornadoes to Faribault County and one to Freeborn County. These tornadoes occurred between 7:00 pm and 8:30 pm and all were on the ground for less than 2 miles. Little damage was reported. These four were among only 24 tornadoes reported that year in Minnesota.


Warmer than normal temperatures with high dewpoints over the weekend along with chances for showers and thunderstorms, some of which could be heavy. Continued warm and humid into early next week with chances for thunderstorms.

Friday, June 14, 2013

High frequency of cloud cover and showers

High frequency of cloud cover and showers

June has kept up the weather trend from May, producing day after day of cloud cover and periodic shower activity. A few sunny days have prevailed in the north, but much of the state has seen most days dominated by cloud cover, fog, mist, or showers. Some observers have already reported over 50 percent of normal rainfall for June,including 2.09 inches at Kabetogama, 2.17 inches at Dawson and Tracy, 2.41 inches at Milan, 2.37 inches at Montevideo, 3.13 inches at Jordan, 3.27 inches at Rice, 2.55 inches at Chanhassen, 2.06 inches at Milaca, 2.38 inches at Moose Lake, 2.58 inches at Luverne, 2.82 inches at Minnesota, 2.52 inches at Pipestone, 2.45 inches at Caledonia, and 2.76 inches at Minnesota City.

Thunderstorms brought some near record or record-setting daily rainfalls to the central part of the state on Wednesday (June 12), including 2.28 inches at Green Isle, 3.30 inches at Arlington, 2.83 inches at Carver, 2.99 inches at Shakopee, 1.90 inches at Chanhassen, and 1.75 inches at Winthrop. The severe weather reports on Wednesday were more numerous in Iowa and the eastern Corn Belt with reports of strong winds, hail, and tornadoes (18 reports).

The rainfall and wet soils have resulted in prevented planting for some corn fields, where producers will be able to collect crop insurance payments if they don't plant corn. Others may opt to plant corn, but not for grain, just for silage to feed livestock. Some soybeans are still being planted late, along with some late planting of alfalfa fields which were so adversely affected by winter stress. Alfalfa hay cutting has progressed very slowly with little of the hay harvest completed.

Weekly Weather potpourri

A Centennial Celebration is planned for next month at the Furnace Creek Visitor Center in Death Valley, CA. On July 10, 2013 there will be a celebration of the 100th birthday of the world-record high temperature measurement that occurred at Greenland Ranch in Death Valley on the afternoon of July 10, 1913 when the thermometer registered 134 degrees F. The National Park Service at Furnace Creek, along with the National Weather Service at Las Vegas, NV are co-hosting this event. Attendees will learn why Death Valley is the hottest place on Earth and how to endure such conditions. Several prominent scientists will speak on the occasion.

Environment Canada announced this week a new weather safety tool available on their web site. It is designed to show where lightning strikes are occurring and it is called the lightning danger map. It may be useful to Minnesota citizens as well because the mapped warnings overlap into Minnesota and the Great Lakes states. Their theme is "when thunder roars, go indoors." You can view the map here.

The Danube River in Germany, Austria, and Hungary began to slowly fall this week after reaching record flood crests in many places. Serbia will see the Danube crest there by the weekend. In Germany parts of the Danube had reached the highest flood levels since 1501. Some areas had received 7-9 inches of rainfall earlier this month, while parts of the Alps reported several feet of snow from an unusual June weather pattern. Estimated damages from these floods according to insurance estimates may run into several billions of dollars.

The Black Forest fire northeast of Colorado Springs, CO continued to burn this week provoking further evacuations. Colorado Governor John Hickenlooper signed Executive Orders to declare disaster emergencies associated with the Black Forest fire, the Royal Gorge fire, and the Klickus fire. All these fires were wind-driven and affected by widespread dry conditions. Afternoon relative humidity readings have ranged from just 2-3 percent in some of the fire areas, with wind gusts of 30 to 50 mph.

MPR listener question

What is the average duration of rainfall from a thunderstorm over any particular spot on the landscape? Only a few sunny days have prevailed up north this spring and much of our rain has come from heavy thunderstorms.

Answer: Good question. Studies from the Storm Prediction Center in Oklahoma suggest that the average duration of single cell thunderstorm rainfall ranges from 20-30 minutes. Mesoscale thunderstorm complexes and supercells can bring intense rainfalls that last on average from 1 to 3 hours. In extreme cases they may last for 5-6 hours. There is a latitude effect as well. Thunderstorms at lower latitudes, subtropical or tropical in origin tend to form into larger cells, both vertically and horizontally. Therefore they have greater longevity before they disperse. Thunderstorm cells at higher latitudes tend to be smaller in size and move faster across the landscape, so that they tend to run their course more rapidly.

Twin Cities Almanac for June 14th

The average MSP high temperature for this date is 75 degrees F (plus or minus 9 degrees F standard deviation), while the average low is 59 degrees F (plus or minus 7 degrees F standard deviation).

MSP Local Records for June 14th

MSP weather records for this date include: highest daily maximum temperature of 98 degrees F in 1987; lowest daily maximum temperature of 60 degrees F in 1917; lowest daily minimum temperature of 44 F in 1927; highest daily minimum temperature of 73 F in 1893; and record precipitation of 2.48 inches in 1924; No snow has been recorded on this date.

Average dew point for June 14th is 56 degrees F, with a maximum of 74 degrees F in 1981 and a minimum of 33 degrees F in 1961.

All-time state records for June 14th

The state record high temperature for this date is 105 degrees F at Montevideo (Chippewa County) in 1979. The state record low temperature for this date is 27 degrees F at Alborn (St Louis County) and Little Fork (Koochiching County) in 1927. State record precipitation for this date is 5.70 inches at Fosston (Polk County) in 1921; and no snow has fallen on this date.

Past Weather Features:

Perhaps the coldest June 14 occurred in 1927 when many northern and central Minnesota climate observers reported frost. Temperatures fell into the 30s F causing some crop damage, but most crops recovered, and the month finished with numerous days in the 80s and 90s F.

The hottest June 14 in state history occurred in 1979. During a 3-day Heat Wave from June 13-15 over 20 Minnesota communities reported daytime high temperatures of 100 degrees F or higher, mostly in central and western parts of the state. Thankfully a cold front brought thunderstorms later in the day on the 15th and temperatures cooled down into the 70s and 80s F for the next several days.

Between 3:00 pm and 4:00 pm on June 14, 1981 an F-3 tornado (winds 158-206 mph) crossed the Twin Cities area from Edina to Lake Owasso, a 16 mile track. It caused the most damage to Roseville, especially near the Har-Mar Mall where the storm took the roof off the State Farm Insurance building. More than 80 people were injured by the storm which caused over $47 million in damages.

One of the wettest June periods in state history occurred over June 10-16, 2001. Large thunderstorms brought strong winds, tornadoes, hail, and flooding rains to many parts of the state over that period. At least 36 tornado reports were filed over that period, the worst ones causing injuries to several people and homes near Benson, MN on the 11th. Hail and high wind reports were widespread, with winds up to 70 mph near Fergus Falls. Rains of 3 to 4 inches were common, and a few places reported 5-6 inches of rainfall with associated street flooding, especially near Wells which received 6.18 inches.

June 14-15, 2012 brought strong thunderstorms to Dakota and Goodhue Counties in southeastern Minnesota. Rainfall of 6-8 inches brought a record flood crest to the Cannon River, closing roads and causing a great deal of erosion. Cannon Falls reported a record 8.83 inches, Northfield 7.13 inches, and Red Wing 6.37 inches.

Word of the Week: Gandiegow

I was reminded of this Scottish term for a heavy shower when an observer from Shakopee called to report a heavy thunderstorm on Wednesday this week (June 12) and used this term to describe it. BBC meteorologists in the United Kingdom still sometimes use this word to describe heavy showers.


Cloudy with showers on Saturday, perhaps a few heavy thunderstorms. Warmer on Sunday with a chance for scattered showers by evening. Continued chances for showers on Monday, then drier on Tuesday and Wednesday of next week. Temperatures will warm to near seasonal averages.

Friday, June 7, 2013

Some record cold temperatures

Some record cold temperatures

The first few days of June started out following the trend of the past four months......cooler than normal. Many observers reported overnight lows in the 30s F over the first several days of the month. There were also a few new record daily low temperatures reported, including the following: on June 2nd 28 F at Crane Lake, 30 F at Orr and International Falls, and 31 F at Kabetogama; on June 3rd 28 F at Orr, 29 F at Kabetogama, and 31 degrees F at Grand Marais; and on June 7th 32 degrees F at Crane Lake and 33 degrees F at Babbitt (tied record low from 1934). Embarrass went down to 26 degrees F on June 3rd but it was not a record for them. Overall temperatures are averaging about 5 to 8 degrees F cooler than normal during the first week of the month.

Continued wet, wettest ever for some

Following a wet spring June has started out that way as well. Thunderstorms brought over an inch of rain to Garrison, Brainerd, and Little Falls on Tuesday this week. For some observers each day has brought a bit of rainfall and kept farmers from finishing their planting. High humidity values have not permitted much field drying. Late planting is especially problematic for alfalfa growers who had to replant many fields because of winter injury (drought, ice-sheeting and lethal soil temperatures). Later planted alfalfa fields may only yield one or two cuttings of hay this season. MPR reporter Elizabeth Baier did an excellent story this week about the alfalfa crop. You can read it and listen here.

The National Weather Service also announced a record wet start to the year for Rochester, MN with 24.30 inches of precipitation since January 1, 2013. This is over 11 inches above normal. Other southeastern Minnesota observers reporting a record wet start to 2013 are: 25.29 inches at Minnesota City, 23.35 inches at Lanesboro, 23.82 inches at Preston, 24.90 inches at Spring Valley, 22.64 inches at Theilman, 22.10 inches at Austin, 27.46 inches at Grand Meadow, 22.41 inches at Harmony, and 24.12 inches at La Crescent. The precipitation at Grand Meadow (Mower County) so far in 2013 (27.46 inches) represents nearly 78 percent of the normal annual precipitation (35.42 inches) for that location, a remarkably high fraction for less than half a year.

Weekly Weather potpourri

The National Weather Service announced this week that the observer at Osage officially set a new May snowfall record for Iowa back on May 2-3 with 13 inches reported there. This surpassed the previous record for May of 10 inches at Le Mars in 1947.

The first Tropical Storm (Andrea) of the 2013 North Atlantic Hurricane Season was being tracked by the NOAA Hurricane Center this week. Andrea brought strong winds and heavy rainfall to parts of Florida, then moved up through the Carolinas bringing additional rains of 3-6 inches.

The United Kingdom Meteorological Office announced the creation of the Climate Services UK branch this week, a new organized effort to provide broader and more comprehensive climate services to support "climate-smart decision" in energy, food, and water management. You can read more about this effort here.

The USDA Drought Update this week offered the following highlights: Drought continued to shift west, as heavy rain in eastern portions of the primary drought area contrasted with increasingly hot, dry weather in the west. Overall U.S. drought coverage decreased slightly (-0.23%) to 44.11%, and has decreased during 28 of the last 36 weeks. Drought coverage is down nearly 17 percentage points since the beginning of 2013 and down 21.34 points from the record high of 65.45% on September 25, 2012. Exceptional drought remained firmly entrenched across the southern High Plains and central New Mexico. The sharp gradient between drought and non-drought areas has been verified by field reports as well as remote-sensing imagery. Further information can be found here.

The first week of June brought heavy rains and flooding to parts of Austria, Hungary, Germany, and the Czech Republic this week. Some areas received 8-9 inches of rainfall which brought many major rivers to flood stage. Large numbers of people along flood plains had to be evacuated. Some areas were expected to get yet more rainfall this weekend.

A recent study of the historic Irish Annals (431-1649) was published in Environmental Research Letters this week. It shows a relationship between 38 volcanic eruptions and 37 extreme cold weather and climate events in Irish history. These events played out as unusual snowfalls, frosts, and ice cover on lakes. You can read more about this study here.

MPR listener question

Our weather this month seems to be more like March or April than June. I wondered what has been the coldest month of June in Minnesota and what was it like?

Answer: On a statewide basis, the coldest June was in 1969, when the average temperature was less than 58 degrees F (the statewide average temperature for June is about 64 degrees F). In 1969, the month started off with snow up north and high temperatures just in the 40s F under mostly cloudy skies. Since June is a month of long days and high sun elevation, cool Junes are dominated by abundant and persistent cloud cover, which holds the daily maximum temperatures down. In 1969 overcast or partly cloudy skies dominated the weather, along with a higher than normal frequency of fog. Average percent possible sunshine was only 40 percent (compared to an average of 65 percent). June of 2013 has been dominated by cloud cover, rain, and fog so far causing temperatures to average 5 to 8 degrees F colder than normal, somewhat similar to the climate features of 1969. The first week of June has also seen the lowest amount of solar radiation ever measured for this time of year at the St Paul Campus Climate Observatory (records back to 1963).

Twin Cities Almanac for June 7th

The average MSP high temperature for this date is 75 degrees F (plus or minus 9 degrees F standard deviation), while the average low is 55 degrees F (plus or minus 8 degrees F standard deviation).

MSP Local Records for June 7th

MSP weather records for this date include: highest daily maximum temperature of 103 degrees F in 2011; lowest daily maximum temperature of 55 degrees F in 1901; lowest daily minimum temperature of 35 F in 1998; highest daily minimum temperature of 78 F in 2011; and record precipitation of 2.91 inches in 1984; No snow has been recorded on this date.

Average dew point for June 7th is 54 degrees F, with a maximum of 72 degrees F in 1914 and a minimum of 30 degrees F in 1938.

All-time state records for June 7th

The state record high temperature for this date is 103 degrees F at MSP Airport in 2011. The state record low temperature for this date is 22 degrees F at Tower (St Louis County) in 1897. State record precipitation for this date is 4.33 inches at Springfield (Brown County) in 1962; and no snow has fallen on this date.

Past Weather Features:

Widespread frost damaged emerging crops on June 7, 1897. Many northern and western areas of the state reported overnight lows in the 20s F. As far south as Fairmont and Lake City the temperature dipped into the low 30s F causing some ground frost to be observed. Several corn fields had to be replanted due to frost damage.

June 5-7, 1941 brought consistent and substantial rainfall to many parts of the state, disrupting the first harvest of hay. In the Red River Valley rainfall exceeded 5 inches and flooded some farm fields.
Perhaps the wettest start to June occurred in 1968 when rainfall occurred on 8 consecutive days from June 4-11. Many observers reported 4-6 inches of rainfall over this period and there was virtually no opportunity for farmers to do any field work.

Between 1:00 pm and 2:30 pm on June 7, 2007 three tornadoes were spotted over western Minnesota, one in Wilkin County (near Foxhome), and two in Otter Tail County (near Elizabeth and Pelican Rapids). Fortunately these tornadoes were weak and did little damage. Associated thunderstorms brought 1-2 inches of rainfall and some hail to these areas.

A short 2-day Heat Wave prevailed across the state over June 6-7, 2011, bringing the hottest June 7th in state history. Over 90 communities reported temperatures into the 90s F, and several saw the thermometer reach or exceed 100 degrees F. Many observers also reported overnight lows that did not fall below 75 degrees F. Fortunately temperatures fell back into the 60s F by June 9th bringing some relief from the heat.


Some sunshine on Saturday, but increasing cloudiness later in the day with a chance for showers and thunderstorms. Continued cloudy with scattered showers and thunderstorms on Sunday, then drier Monday and Tuesday with warmer temperatures. Chance for showers again by Wednesday.
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