MONTHLY CLIMATOLOGICAL SUMMARY for APR. 2026 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 38.9 44.4 3:20p 34.5 8:25a 26.1 0.0 0.03 5.9 26.0 8:25a E 2 48.4 70.2 5:10p 35.7 12:30a 16.8 0.2 0.95 5.3 30.0 6:55p ESE 3 45.2 56.3 12:05a 39.0 11:05p 19.8 0.0 0.26 6.0 25.0 12:05a WNW 4 41.8 45.2 8:55a 38.9 11:45p 23.2 0.0 0.44 8.3 30.0 2:00a W 5 43.3 53.6 5:25p 34.2 7:05a 21.7 0.0 0.04 10.7 26.0 8:45a WNW 6 42.0 49.8 4:25p 32.1 12:00m 23.0 0.0 0.00 8.4 26.0 12:50p NW 7 34.7 44.5 4:40p 21.9 6:35a 30.3 0.0 0.00 4.3 15.0 1:30p SE 8 53.4 71.9 4:40p 33.9 2:30a 12.9 1.3 0.04 8.0 38.0 5:30p SSW 9 54.7 65.5 2:40p 42.2 6:55a 10.3 0.0 0.46 4.2 18.0 2:00p WNW 10 46.6 54.4 5:20p 34.6 12:00m 18.4 0.0 0.51 4.8 17.0 5:10a NNE 11 45.8 55.3 2:50p 30.3 5:00a 19.2 0.0 0.01 3.7 18.0 12:05p SSE 12 63.9 76.4 1:30p 53.2 1:35a 3.6 2.5 0.42 7.2 37.0 7:50p SW 13 68.1 76.4 5:55p 60.4 12:05a 1.0 4.2 0.00 5.4 21.0 3:30p SW 14 68.1 80.8 3:25p 57.7 5:15a 2.2 5.3 2.70 5.9 40.0 10:50p SSW 15 63.7 71.1 6:00p 57.4 11:50p 2.2 0.9 1.12 4.0 26.0 8:10p SW 16 63.4 74.9 5:30p 55.2 11:15p 3.9 2.3 0.29 3.2 16.0 1:50p NW 17 63.4 79.4 2:05p 51.2 5:25a 4.6 3.1 1.34 5.1 28.0 8:15p SSE 18 43.0 57.5 12:05a 35.7 12:00m 22.0 0.0 0.03 12.1 31.0 5:30p WNW 19 39.8 49.8 4:10p 30.9 12:00m 25.2 0.0 0.00 5.5 26.0 9:55a NW 20 43.3 57.3 5:55p 26.7 6:00a 21.7 0.0 0.00 2.5 16.0 2:35p S 21 61.8 76.9 6:10p 49.7 12:05a 6.3 3.1 0.00 4.6 20.0 10:25a W 22 63.9 79.3 4:00p 48.7 6:40a 5.1 3.9 0.00 2.4 13.0 2:35p ESE 23 68.5 81.4 4:40p 49.5 6:20a 3.7 7.2 0.00 4.9 27.0 11:05p S 24 62.3 73.5 12:30a 47.5 11:40p 3.9 1.3 0.06 5.2 28.0 1:40a NW 25 55.2 68.9 5:30p 41.2 4:50a 10.3 0.5 0.00 2.9 21.0 1:20p ENE 26 54.5 69.8 3:45p 40.0 5:35a 11.1 0.7 0.00 3.2 19.0 4:05p ESE 27 60.9 71.5 5:45p 53.1 2:20a 5.2 1.1 0.41 7.6 37.0 12:25p SE 28 55.3 63.0 3:40p 48.9 7:20a 9.7 0.0 0.01 8.0 27.0 1:45a WNW 29 49.0 55.3 1:35p 36.5 11:55p 16.0 0.0 0.03 6.4 25.0 2:25p NNW 30 43.7 54.3 11:25a 32.1 4:45a 21.3 0.0 0.07 1.6 13.0 11:20p NNW ------------------------------------------------------------------------------------- 52.9 81.4 23 21.9 7 400.7 37.6 9.22 5.6 40.0 14 WNW Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 4 Min <= 0.0: 0 Max Rain: 2.70 ON 04/14/26 Days of Rain: 18 (>.01 in) 11 (>.1 in) 3 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration