Preliminary August Climate Summary: For many climate stations in Minnesota, especially in the northern half of the state, the mean August temperature will end up being very close to normal, perhaps a degree either side of normal. For many southern Minnesota climate stations, the mean August temperature will range from 1°F to 3°F above normal. Only observers in Clay, Sherburne, Norman, Polk. Lyon, and Red Lake Counties reported a daily high temperature of 90°F or higher. Most days brought temperatures in the 70s F and 80s F. Extremes for the month ranged from 98°F at Red Lake Falls on the 2nd to 33°F at Tower on the 19th. Not many temperature records were reported from within the state climate station network. Most climate observers reported below normal rainfall for the month, except for some locations in south-central and southeastern Minnesota where a few heavy thunderstorms occurred. A few places reported some record daily rainfall, including: 3.25” at Grand Meadow on the 1st ...
August 19 and 20 brought coolest temperatures for the month: Wednesday and Thursday (August 19-20) brought the coolest temperatures of the month so far for many areas of the state. Many observers reported low temperatures in the 40s and 50s F. Extremely low dew points in northern counties helped overnight low temperatures drop even more. Eleven climate stations in Koochiching, Lake, and St Louis Counties reported low temperatures in the 30s F, with Tower reporting just 33°F on August 19th. This week, scattered thunderstorms brought significant rainfall to parts of Minnesota, especially the north, where several observers reported rainfall totals ranging from 1 to 2 inches. Many other areas in the southern half of the state saw less than a half inch of rain during the week. Drought status in the state remained a big concern with about 30 percent of the landscape still in Moderate Drought, 44 percent in Severe Drought, and 1 percent (parts of Polk, Normand, and Clay Counties in the R...