MONTHLY CLIMATOLOGICAL SUMMARY for AUG. 2021 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 66.6 76.2 3:10p 54.0 12:00m 2.2 3.8 0.00 4.3 21.0 2:40p NNE 2 64.1 78.8 4:25p 47.9 6:15a 5.7 4.8 0.00 1.5 12.0 11:40a NW 3 65.8 83.3 2:55p 48.7 6:00a 5.1 5.9 0.00 1.4 11.0 1:25p NW 4 69.1 83.7 3:15p 52.8 5:50a 3.3 7.5 0.00 1.0 8.0 2:30p SW 5 69.6 83.5 1:10p 52.3 6:20a 3.1 7.7 0.00 2.6 19.0 12:15p SSW 6 75.4 84.7 4:15p 67.2 6:25a 0.0 10.4 0.01 3.1 16.0 3:25p SSW 7 77.2 87.5 4:10p 62.8 5:10a 0.1 12.3 0.00 2.7 18.0 4:40p SSW 8 79.9 88.5 2:15p 68.9 11:50p 0.0 14.9 0.43 5.6 28.0 2:15p SSW 9 72.6 83.9 4:10p 67.5 11:45p 0.0 7.6 1.01 3.1 18.0 4:05p SSW 10 75.6 92.4 3:50p 65.0 1:25a 0.0 10.6 0.32 2.9 43.0 6:20p SSW 11 77.6 88.0 3:45p 68.6 6:25a 0.0 12.6 0.00 3.8 25.0 12:55p SSW 12 74.6 84.1 1:25p 60.4 6:25a 0.4 10.0 0.00 2.7 13.0 11:15a W 13 71.1 81.2 3:45p 59.2 12:00m 0.6 6.7 0.00 2.1 13.0 12:45p W 14 65.6 80.7 5:15p 50.2 6:40a 4.9 5.4 0.00 0.9 8.0 12:25p NNW 15 64.7 80.9 5:20p 48.1 6:10a 5.8 5.5 0.01 1.3 10.0 11:15a NNW 16 65.4 81.9 4:00p 48.7 6:05a 5.4 5.9 0.00 1.3 11.0 11:45a WSW 17 68.5 84.1 5:20p 50.8 6:20a 4.0 7.5 0.00 1.3 11.0 2:25p SSW 18 73.3 88.1 5:45p 58.3 6:30a 1.5 9.8 0.00 1.2 11.0 10:55a E 19 74.7 89.4 2:55p 62.3 6:20a 0.4 10.1 0.00 1.0 9.0 12:20p E 20 74.1 88.7 3:00p 60.1 6:10a 1.0 10.1 0.00 1.9 16.0 3:05p S 21 75.6 85.8 4:50p 65.5 12:05a 0.0 10.6 0.00 3.4 14.0 10:10a NW 22 68.2 81.7 4:50p 55.0 6:30a 2.3 5.5 0.00 2.3 12.0 8:55a NNE 23 70.2 85.5 6:00p 55.9 5:55a 2.2 7.4 0.05 1.8 15.0 1:25p ENE 24 75.3 95.0 3:55p 65.6 5:15a 0.0 10.3 0.99 2.9 31.0 5:55p ESE 25 75.0 86.3 4:35p 65.7 6:30a 0.0 10.0 0.01 1.7 11.0 10:00a SSW 26 76.8 87.8 5:30p 66.7 5:35a 0.0 11.8 0.00 1.5 11.0 7:05p WNW 27 79.8 90.2 4:45p 70.7 4:15a 0.0 14.8 0.01 2.5 17.0 4:30p SSW 28 82.0 93.0 3:20p 69.5 6:50a 0.0 17.0 0.12 3.3 16.0 5:20a SSW 29 77.1 86.2 4:15p 62.5 12:00m 0.1 12.2 0.00 3.7 22.0 9:45a SSW 30 69.0 83.4 4:05p 55.1 6:55a 2.7 6.7 0.00 1.4 10.0 4:35p WNW 31 65.2 77.8 1:35p 55.6 4:45a 3.2 3.4 0.06 1.4 12.0 5:15p ENE ------------------------------------------------------------------------------------- 72.2 95.0 24 47.9 2 54.0 278.8 3.02 2.3 43.0 10 SSW Max >= 90.0: 4 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 1.01 ON 08/09/21 Days of Rain: 7 (>.01 in) 5 (>.1 in) 1 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration