MONTHLY CLIMATOLOGICAL SUMMARY for JUN. 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 63.5 77.6 2:50p 48.3 12:00m 4.8 3.3 0.15 1.4 15.0 4:00p ENE 2 64.7 81.4 4:00p 46.0 2:30a 6.1 5.7 0.00 1.7 14.0 10:35a SE 3 65.5 84.5 3:55p 42.4 4:35a 7.0 7.5 0.00 1.5 13.0 12:50p SSE 4 71.3 87.2 4:15p 47.4 5:25a 4.3 10.6 0.00 3.0 21.0 3:55p SSW 5 72.0 80.2 6:30p 63.8 5:15a 0.1 7.1 1.36 2.3 20.0 2:20p W 6 77.9 88.3 4:00p 69.0 6:25a 0.0 12.9 0.00 1.2 10.0 12:30a ENE 7 71.6 81.5 11:15a 64.8 5:55a 0.0 6.6 0.07 1.5 16.0 10:45a SE 8 71.3 81.1 2:05p 63.0 3:30a 0.1 6.5 1.13 2.6 24.0 4:00p SE 9 77.4 86.3 5:50p 71.3 11:50p 0.0 12.4 0.00 2.0 11.0 9:00a W 10 75.3 87.9 12:20p 67.7 11:45p 0.0 10.3 1.12 3.3 30.0 1:55p S 11 69.4 75.8 10:40a 64.2 12:00m 0.0 4.4 1.54 3.7 25.0 12:15a W 12 69.2 80.0 4:30p 56.9 3:05a 1.8 6.0 0.01 4.2 21.0 4:20p W 13 73.8 83.7 5:45p 62.0 3:30a 0.4 9.2 0.00 3.3 21.0 12:50p W 14 63.4 70.8 12:05a 49.9 12:00m 2.7 1.1 0.13 7.2 25.0 1:50p NNW 15 64.3 77.6 5:15p 46.6 3:30a 5.0 4.3 0.00 3.0 19.0 12:30p W 16 65.2 73.1 11:10a 55.6 12:00m 1.9 2.2 0.00 4.8 26.0 4:00p W 17 59.2 69.5 7:40p 53.1 1:10a 6.3 0.5 0.49 2.9 26.0 8:20p W 18 64.9 73.0 6:20p 58.7 12:00m 2.0 1.9 0.14 5.6 22.0 4:30a W 19 64.8 76.3 3:40p 53.7 6:15a 3.3 3.1 0.00 3.6 23.0 6:55p W 20 65.8 76.6 5:50p 55.6 6:05a 3.1 3.9 0.01 3.9 20.0 12:35p NW 21 59.7 69.9 11:35a 54.0 5:15a 5.8 0.5 0.34 1.1 14.0 12:35p ENE 22 65.6 77.1 4:55p 52.4 5:35a 3.5 4.1 0.01 2.5 13.0 12:15p NNE 23 65.5 79.4 4:50p 50.2 5:25a 4.5 5.0 0.00 0.8 10.0 3:10p SE 24 64.6 75.3 3:00p 59.8 11:20p 1.9 1.5 0.82 1.6 30.0 4:25p SSE 25 67.9 78.3 5:10p 57.2 6:05a 1.9 4.7 0.08 2.7 15.0 5:45p NW 26 65.1 73.9 5:45p 57.6 3:40a 2.2 2.3 0.00 1.2 14.0 11:15a ENE 27 69.4 80.1 4:50p 59.8 4:25a 1.4 5.8 0.00 1.5 14.0 11:45a ENE 28 72.0 80.4 8:00p 59.3 5:35a 1.0 8.0 0.05 2.3 29.0 3:55p SE 29 82.9 91.4 3:35p 74.3 12:05a 0.0 17.9 0.00 5.1 23.0 1:40p S 30 84.4 91.1 4:15p 77.7 6:10a 0.0 19.4 0.00 3.9 25.0 4:40p SSW ------------------------------------------------------------------------------------- 68.9 91.4 29 42.4 3 71.1 188.7 7.45 2.8 30.0 10 W Max >= 90.0: 2 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 1.54 ON 06/11/26 Days of Rain: 13 (>.01 in) 10 (>.1 in) 4 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration