MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 2015 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 75.5 89.3 3:20p 61.7 7:00a 0.7 11.2 0.00 1.9 18.0 2:10p SSW 2 77.6 87.3 12:50p 68.7 6:40a 0.0 12.6 0.00 1.8 18.0 1:35p SW 3 78.7 90.0 4:45p 69.0 12:45a 0.0 13.7 0.00 1.9 12.0 2:35p W 4 76.2 89.9 4:25p 64.4 6:40a 0.0 11.2 0.00 1.0 9.0 1:10p ENE 5 72.9 82.1 4:50p 65.3 4:30a 0.0 7.9 0.10 1.2 14.0 5:00p ESE 6 79.2 91.3 3:50p 68.3 1:45a 0.0 14.2 0.00 2.9 18.0 12:55p SSW 7 77.6 87.9 5:00p 69.4 12:00m 0.0 12.6 0.01 1.9 16.0 3:40a W 8 71.6 78.9 2:50p 64.0 11:40p 0.0 6.7 0.75 2.3 14.0 6:55a NW 9 67.6 79.7 4:05p 55.3 11:55p 1.8 4.4 0.00 2.3 12.0 12:25p NNW 10 62.3 73.5 5:50p 54.4 1:05a 3.9 1.2 0.58 1.6 18.0 6:05p S 11 59.9 69.2 3:05p 49.1 11:55p 5.6 0.5 0.08 5.9 21.0 3:05p N 12 54.5 66.1 3:40p 43.6 12:00m 10.5 0.0 0.00 3.9 20.0 2:05p N 13 54.6 71.4 5:15p 38.2 6:30a 11.9 1.5 0.00 1.6 14.0 1:30p W 14 64.9 83.5 4:50p 44.4 3:45a 6.4 6.3 0.00 3.5 22.0 2:35p SSW 15 71.2 84.5 2:25p 59.8 6:25a 0.7 6.9 0.00 3.5 20.0 12:05a S 16 72.3 84.8 3:30p 57.3 6:20a 0.8 8.1 0.00 4.2 21.0 2:30p SSW 17 69.8 82.5 12:30p 61.8 6:35a 0.3 5.0 0.96 2.9 29.0 2:00p SSE 18 69.6 76.7 1:30p 62.5 12:00m 0.0 4.6 0.59 2.2 25.0 11:55p S 19 60.2 70.3 3:40p 47.5 12:00m 5.7 1.0 0.03 6.1 25.0 12:25a NW 20 57.2 74.0 3:45p 42.2 6:55a 10.0 2.2 0.00 1.1 12.0 11:25a SSW 21 58.7 76.8 4:50p 42.5 6:35a 9.5 3.1 0.00 1.5 14.0 12:10p SSE 22 61.9 80.6 4:00p 44.7 6:40a 7.9 4.8 0.00 0.9 10.0 1:25p SSW 23 64.9 81.9 2:05p 50.3 5:20a 5.5 5.4 0.00 0.9 12.0 2:05p ESE 24 62.7 80.3 4:15p 48.8 6:40a 6.7 4.4 0.00 1.1 12.0 12:00p ENE 25 63.8 79.5 3:50p 50.5 7:15a 5.1 3.9 0.00 2.5 20.0 1:55p ENE 26 64.3 79.9 3:45p 48.6 6:45a 5.0 4.3 0.00 1.5 15.0 1:10p ESE 27 64.2 76.4 5:10p 52.3 1:50a 3.8 3.0 0.00 0.9 10.0 1:30p S 28 66.3 80.5 3:05p 54.5 6:50a 3.3 4.5 0.00 1.0 12.0 1:50p SSW 29 59.3 66.2 4:40a 48.3 12:00m 5.8 0.1 0.12 6.6 27.0 7:20a NE 30 52.4 64.3 3:00p 43.3 6:55a 12.6 0.0 0.00 7.0 22.0 1:55p NE ------------------------------------------------------------------------------------- 66.4 91.3 6 38.2 13 123.5 165.3 3.22 2.6 29.0 17 SSW Max >= 90.0: 2 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.96 ON 09/17/15 Days of Rain: 8 (>.01 in) 5 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration