MONTHLY CLIMATOLOGICAL SUMMARY for JUN. 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 60.4 76.1 5:55p 44.2 6:00a 7.7 3.1 0.00 1.5 13.0 12:40p ENE 2 68.2 86.1 4:35p 45.1 5:50a 5.5 8.7 0.00 2.6 17.0 5:30p SSW 3 72.3 82.0 11:25a 65.9 8:40p 0.0 7.3 2.06 4.0 36.0 8:05p SSW 4 64.6 73.1 5:00p 58.2 12:00m 2.3 1.9 2.32 3.1 14.0 12:50a NNE 5 65.7 77.9 2:55p 51.7 6:00a 3.9 4.6 0.01 1.5 17.0 3:00p ENE 6 67.5 80.0 4:20p 56.0 12:00m 2.7 5.2 0.00 1.6 13.0 10:50a ENE 7 66.0 79.7 2:40p 50.2 5:45a 4.1 5.2 0.00 1.6 16.0 1:20p SE 8 66.0 75.5 11:25a 54.5 5:25a 2.6 3.6 0.00 3.6 24.0 2:10p W 9 60.4 67.8 5:30p 53.6 11:40p 4.8 0.3 0.00 5.2 25.0 1:05p W 10 64.3 78.0 5:35p 50.5 6:05a 4.7 4.0 0.00 3.5 19.0 11:05a W 11 77.1 91.3 4:30p 62.1 12:05a 0.1 12.2 0.00 3.6 21.0 10:55a W 12 72.6 83.7 3:55p 62.1 12:00m 0.2 7.9 0.00 3.2 17.0 6:55p ENE 13 67.8 81.9 3:35p 57.3 5:30a 2.1 4.9 0.00 2.8 16.0 3:45p ENE 14 69.2 82.1 4:15p 57.8 2:25a 2.0 6.2 0.00 2.1 12.0 11:45a ENE 15 71.3 82.9 4:20p 57.3 5:45a 1.3 7.6 0.00 1.2 11.0 2:50p ENE 16 73.8 85.3 3:55p 63.1 4:15a 0.2 9.0 0.00 1.1 11.0 1:35p SSW 17 78.5 89.7 5:45p 67.0 4:00a 0.0 13.5 0.01 2.8 14.0 10:25a W 18 70.2 77.1 12:25p 64.5 12:00m 0.0 5.2 0.17 3.1 16.0 5:00p ENE 19 73.3 83.4 4:35p 63.3 5:45a 0.3 8.6 0.03 3.4 18.0 3:25p NW 20 74.1 85.4 4:15p 65.1 5:35a 0.0 9.1 0.03 2.8 19.0 12:15p SSW 21 83.7 92.4 4:30p 73.0 12:15a 0.0 18.7 0.00 6.3 33.0 4:40p SSW 22 84.7 92.9 3:45p 76.5 5:50a 0.0 19.7 0.00 5.5 30.0 4:05p SSW 23 82.9 93.6 3:35p 70.3 11:55p 0.0 17.9 0.26 4.5 22.0 2:15p SSW 24 75.3 82.7 3:25p 69.2 4:55a 0.0 10.3 0.01 1.0 9.0 7:15p W 25 78.1 90.1 5:25p 71.2 3:20a 0.0 13.1 0.01 1.7 21.0 6:50p S 26 82.2 91.9 2:35p 70.3 5:20a 0.0 17.2 0.22 3.3 22.0 10:35p SSW 27 74.0 81.6 12:10p 63.8 12:00m 0.0 9.0 0.24 3.5 19.0 4:25p W 28 73.2 86.3 5:50p 57.4 5:35a 1.4 9.7 0.00 1.4 12.0 12:30p W 29 78.2 90.7 2:35p 64.6 5:05a 0.0 13.2 0.02 2.2 17.0 8:20p SSW 30 75.1 84.6 2:00p 66.2 4:55a 0.0 10.1 0.01 2.6 14.0 12:20p W ------------------------------------------------------------------------------------- 72.4 93.6 23 44.2 1 45.9 267.0 5.40 2.9 36.0 3 SSW Max >= 90.0: 7 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 2.32 ON 06/04/25 Days of Rain: 9 (>.01 in) 6 (>.1 in) 2 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration