MONTHLY CLIMATOLOGICAL SUMMARY for MAY. 2010 NAME: Hawkeye Observatory CITY: Durand STATE: Illinois ELEV: 758 ft LAT: 42° 26' 20" N LONG: 89° 19' 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 63.4 70.3 2:20p 57.1 6:25a 2.8 1.2 0.00 4.4 22.0 2:30p SW 2 62.0 72.2 5:00p 53.8 6:20a 4.7 1.7 0.04 3.5 27.0 8:50p WSW 3 58.0 68.4 3:10p 45.6 5:45a 7.6 0.6 0.00 4.7 26.0 4:45p W 4 64.9 82.0 4:30p 43.2 5:10a 6.0 5.9 0.00 4.4 27.0 2:30p WSW 5 61.4 70.4 3:10p 53.0 11:30p 4.6 1.0 0.02 8.4 31.0 4:10p W 6 53.7 66.5 4:35p 42.2 5:50a 11.4 0.0 0.01 4.4 19.0 6:20p ENE 7 47.0 49.6 3:55p 44.7 6:00a 18.0 0.0 0.55 6.7 29.0 12:00m ENE 8 44.2 50.2 5:00p 40.0 7:05a 20.8 0.0 0.00 10.2 29.0 12:10a WNW 9 46.8 58.4 4:50p 30.9 5:45a 18.2 0.0 0.00 1.8 12.0 2:45p W 10 52.0 59.0 1:40p 42.0 1:15a 13.0 0.0 0.00 3.5 20.0 12:10p ESE 11 46.4 50.9 12:50a 44.1 4:10a 18.6 0.0 0.88 5.3 19.0 6:05a ENE 12 47.3 51.0 3:15p 45.2 7:35a 17.7 0.0 0.97 5.8 22.0 2:10p ENE 13 56.5 70.2 3:10p 49.5 12:05a 9.0 0.5 0.72 4.8 28.0 4:40p WSW 14 55.6 64.4 4:50p 45.7 4:20a 9.4 0.0 0.00 6.1 24.0 11:40a W 15 55.8 66.5 3:45p 43.2 5:40a 9.4 0.1 0.00 1.5 12.0 12:00p ENE 16 56.3 66.6 3:10p 44.3 1:50a 8.8 0.1 0.00 4.3 19.0 12:30p ENE 17 58.8 66.8 4:05p 51.4 6:20a 6.3 0.2 0.00 6.4 24.0 11:35a NE 18 62.2 73.5 3:55p 48.9 12:00m 5.3 2.5 0.00 5.1 22.0 11:05a NNE 19 62.5 79.6 4:05p 41.4 5:20a 7.6 5.1 0.00 2.3 18.0 3:55p ENE 20 61.1 76.5 1:15p 44.1 5:40a 7.0 3.0 0.00 2.7 20.0 12:35p SSE 21 61.2 69.0 5:10p 56.6 4:50a 4.1 0.3 0.16 2.5 12.0 12:40a ENE 22 67.4 80.1 4:50p 52.4 6:05a 3.3 5.7 0.00 2.1 18.0 6:10p S 23 78.8 91.3 3:25p 65.5 4:45a 0.0 13.8 0.00 3.1 18.0 4:30p S 24 82.7 94.2 4:55p 70.4 5:00a 0.0 17.7 0.00 1.8 14.0 2:30p S 25 75.0 87.4 1:25p 64.8 11:50p 0.0 10.0 0.01 1.7 17.0 3:45p S 26 73.4 84.7 4:20p 62.0 5:55a 0.2 8.6 0.00 2.0 11.0 2:55p NW 27 73.5 82.6 1:55p 57.8 12:00m 0.4 8.9 0.00 5.3 21.0 9:50a NNE 28 69.2 84.2 5:20p 50.0 4:55a 3.6 7.8 0.00 3.1 16.0 11:00a NNE 29 74.5 90.2 4:25p 56.6 3:50a 1.7 11.2 0.00 1.5 11.0 1:50p E 30 79.0 90.1 3:15p 65.8 1:25a 0.0 14.0 0.00 1.7 16.0 4:35p S 31 73.5 79.0 5:55p 58.7 12:00m 0.3 8.8 0.00 2.6 12.0 9:55a NNE ------------------------------------------------------------------------------------- 62.1 94.2 24 30.9 9 219.8 128.7 3.36 4.0 31.0 5 ENE Max >= 90.0: 4 Max <= 32.0: 0 Min <= 32.0: 1 Min <= 0.0: 0 Max Rain: 0.97 ON 05/12/10 Days of Rain: 7 (>.01 in) 5 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration