MONTHLY CLIMATOLOGICAL SUMMARY for AUG. 2023 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 72.3 83.7 2:20p 59.9 5:30a 0.8 8.1 0.00 1.8 13.0 11:00a SSW 2 72.9 82.6 2:55p 60.2 4:55a 0.7 8.6 0.00 2.1 14.0 10:20a SSW 3 73.0 85.7 5:10p 61.5 4:15a 0.6 8.6 0.00 1.3 10.0 5:25p SSW 4 74.0 85.9 3:25p 62.3 12:00m 0.2 9.1 0.00 1.8 14.0 4:30p ESE 5 72.1 83.0 5:25p 61.8 12:25a 0.3 7.4 0.00 2.5 15.0 1:45p ENE 6 70.5 79.9 4:55p 60.5 5:50a 0.6 6.0 0.00 2.6 16.0 7:10p ENE 7 69.3 79.0 3:35p 57.6 11:50p 0.9 5.1 0.00 3.8 17.0 10:40a NNE 8 69.0 83.7 2:55p 53.6 5:30a 3.1 7.2 0.00 2.2 17.0 4:55p W 9 67.4 79.0 5:30p 54.5 5:40a 2.5 4.9 0.00 1.3 10.0 2:40p W 10 71.1 83.9 4:40p 55.7 1:40a 1.6 7.7 0.01 2.6 16.0 5:00p WNW 11 73.4 85.5 6:00p 61.9 4:55a 0.3 8.7 0.10 3.4 30.0 11:10p W 12 73.3 85.7 4:50p 60.3 12:00m 0.3 8.6 0.00 4.1 19.0 11:35a WNW 13 66.8 76.5 11:45a 54.1 6:25a 2.6 4.4 0.00 0.9 7.0 11:15a ENE 14 65.3 67.9 3:20p 62.6 9:35p 0.4 0.7 0.50 3.7 19.0 1:35p ENE 15 66.7 76.7 4:15p 55.1 12:00m 2.2 3.9 0.00 5.9 20.0 12:10p N 16 67.4 80.7 4:25p 51.3 5:00a 4.0 6.5 0.00 3.4 20.0 4:40p SSW 17 68.4 75.0 12:45p 53.1 11:55p 1.2 4.7 0.08 6.3 23.0 10:50a NNW 18 63.2 77.2 4:20p 47.0 5:40a 5.7 4.0 0.00 1.1 13.0 4:00p SSW 19 72.4 84.7 4:30p 59.3 3:00a 1.3 8.7 0.00 3.5 19.0 3:05p S 20 78.8 92.9 4:15p 65.1 6:30a 0.0 13.8 0.00 2.5 14.0 5:35p ENE 21 74.5 87.4 4:20p 64.3 6:25a 0.0 9.5 0.00 2.0 13.0 10:15a ENE 22 75.0 89.9 3:35p 57.4 6:10a 1.7 11.6 0.00 2.0 14.0 5:05p SSW 23 86.7 98.8 3:50p 76.9 3:05a 0.0 21.7 0.00 3.5 16.0 9:25a W 24 86.7 96.8 3:10p 75.6 11:55p 0.0 21.7 0.00 3.8 18.0 3:20p W 25 76.8 85.3 5:15p 70.3 11:55p 0.0 11.8 0.00 2.0 13.0 10:05a ENE 26 68.3 73.2 2:35p 59.4 12:00m 0.3 3.6 0.04 4.9 19.0 11:05a ENE 27 66.3 79.6 5:10p 52.4 12:00m 3.3 4.6 0.00 2.4 13.0 9:35a ENE 28 64.1 80.9 3:25p 46.5 6:35a 6.4 5.4 0.00 1.2 11.0 4:00p SW 29 69.8 82.3 1:40p 55.8 12:00m 1.2 6.0 0.00 4.2 21.0 2:15p W 30 59.8 73.3 5:10p 46.1 12:00m 7.0 1.8 0.00 3.0 17.0 8:50a ENE 31 59.8 79.4 4:20p 38.3 6:00a 9.6 4.4 0.01 1.4 12.0 2:00p SSE ------------------------------------------------------------------------------------- 70.8 98.8 23 38.3 31 58.8 238.8 0.74 2.8 30.0 11 ENE Max >= 90.0: 3 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.50 ON 08/14/23 Days of Rain: 4 (>.01 in) 1 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration