MONTHLY CLIMATOLOGICAL SUMMARY for MAY. 2025 NAME: Hawkeye Observatory CITY: Durand STATE: Illinois ELEV: 758 ft LAT: 42° 26' 20" N LONG: 89° 18' 35" W TEMPERATURE (°F), RAIN (in), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 --- --- --- --- --- 0.0 0.0 0.67 3.9 15.0 5:20a WNW 2 --- --- --- --- --- 0.0 0.0 0.72 1.7 13.0 2:10p ENE 3 --- --- --- --- --- 0.0 0.0 0.00 5.7 21.0 3:05p NE 4 --- --- --- --- --- 0.0 0.0 0.00 5.4 29.0 2:10p NE 5 --- --- --- --- --- 0.0 0.0 0.00 3.1 15.0 9:20a E 6 --- --- --- --- --- 0.0 0.0 0.00 3.4 20.0 11:15a NW 7 65.6 78.1 1:35p 51.1 12:00m 1.9 2.3 0.00 3.9 24.0 9:05p E 8 54.3 65.3 3:45p 39.4 11:40p 10.8 0.0 0.00 6.3 23.0 12:15p ENE 9 53.2 73.2 6:10p 31.6 5:20a 13.3 1.5 0.00 1.3 13.0 4:50p WNW 10 62.5 77.8 4:05p 45.1 12:35a 6.3 3.8 0.00 4.9 20.0 11:20a ESE 11 60.0 78.4 4:30p 38.9 6:10a 8.6 3.6 0.00 2.2 16.0 2:30p ESE 12 66.0 84.5 3:35p 42.1 5:45a 6.5 7.4 0.00 2.5 22.0 2:10p ESE 13 70.2 81.6 5:20p 60.6 1:55a 1.0 6.2 0.00 2.0 15.0 2:05p ESE 14 70.4 84.3 4:15p 55.3 5:55a 2.0 7.4 0.00 2.1 13.0 2:40p ESE 15 75.3 93.0 4:15p 60.6 5:15a 0.8 11.1 0.00 6.3 36.0 4:20p SSE 16 68.3 84.4 5:05p 50.8 4:50a 3.7 7.0 0.00 7.3 40.0 8:35p W 17 57.5 68.5 3:55p 51.1 6:55a 7.8 0.3 0.00 11.0 29.0 11:00a WNW 18 57.6 70.5 5:00p 45.6 3:25a 8.3 0.9 0.00 4.2 16.0 2:05p NW 19 48.9 57.9 4:55p 40.5 5:50a 16.1 0.0 0.00 5.2 22.0 2:15p E 20 49.5 52.2 5:10p 47.0 12:00m 15.5 0.0 1.06 5.1 25.0 8:30a E 21 48.4 51.2 3:10p 46.1 5:30a 16.6 0.0 0.10 5.4 17.0 12:15a NNW 22 51.9 59.9 4:55p 42.6 11:35p 13.1 0.0 0.00 6.2 20.0 8:25a NNW 23 54.0 66.3 5:55p 41.8 6:20a 11.0 0.1 0.00 3.4 17.0 12:10p NNE 24 56.0 68.2 1:50p 39.3 5:30a 9.5 0.4 0.00 1.5 12.0 12:45p ESE 25 60.3 71.7 4:55p 49.6 12:00m 6.0 1.4 0.00 1.9 14.0 1:10p ENE 26 57.3 71.5 3:35p 40.5 5:30a 9.0 1.3 0.00 2.6 21.0 11:00a E 27 62.5 74.2 4:10p 53.3 3:50a 4.6 2.1 0.00 2.2 19.0 3:35p E 28 56.9 63.5 5:25p 48.9 11:40p 8.1 0.0 0.02 4.0 19.0 4:50p NNE 29 59.4 71.1 2:25p 45.6 2:05a 7.1 1.5 0.01 3.2 24.0 11:45a NW 30 63.7 78.7 2:20p 43.8 5:35a 5.8 4.5 0.00 5.9 28.0 5:30p NW 31 61.9 73.3 5:00p 49.1 12:00m 4.9 1.8 0.00 2.5 14.0 2:00p ENE ------------------------------------------------------------------------------------- 59.7 93.0 15 31.6 9 198.3 64.6 2.58 4.1 40.0 16 E Max >= 90.0: 1 Max <= 32.0: 0 Min <= 32.0: 1 Min <= 0.0: 0 Max Rain: 1.06 ON 05/20/25 Days of Rain: 5 (>.01 in) 3 (>.1 in) 1 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration