MONTHLY CLIMATOLOGICAL SUMMARY for APR. 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 66.2 84.1 5:00p 44.9 4:10a 5.6 6.8 0.00 4.3 24.0 2:00p S 2 65.5 77.8 3:40p 55.7 12:00m 2.5 3.0 0.25 6.4 31.0 2:30p S 3 53.1 59.8 5:00p 45.8 10:10a 11.9 0.0 0.12 6.9 29.0 2:40p W 4 57.2 71.3 2:10p 40.7 4:00a 8.8 1.0 0.00 4.6 26.0 2:10p S 5 54.2 70.7 2:10p 38.9 6:10a 11.2 0.4 0.61 3.2 27.0 8:50p W 6 55.3 72.9 5:50p 49.0 8:20a 10.5 0.8 0.93 5.4 27.0 12:20a ENE 7 46.1 50.1 12:30a 36.5 12:00m 18.9 0.0 0.50 9.6 27.0 6:20p NE 8 36.9 41.7 4:50p 28.9 12:00m 28.1 0.0 0.04 6.9 24.0 12:10a NW 9 42.5 59.5 5:10p 26.3 6:10a 22.5 0.0 0.01 2.5 19.0 12:50p W 10 55.8 69.0 1:40p 39.3 12:10a 9.7 0.5 0.00 4.4 22.0 1:50p NNE 11 54.9 67.3 3:30p 40.3 12:00m 10.3 0.2 0.00 3.6 20.0 12:30p ENE 12 55.3 70.4 4:40p 37.8 3:50a 10.6 0.9 0.00 3.8 23.0 10:30a SE 13 56.7 66.6 3:50p 48.0 6:30a 8.3 0.1 0.00 4.4 21.0 2:00p E 14 64.7 83.1 4:00p 46.3 6:50a 6.1 5.8 0.00 2.7 23.0 4:20p SSW 15 69.8 81.4 4:00p 56.6 5:30a 1.7 6.5 0.00 5.1 26.0 4:10p WSW 16 57.8 64.9 12:30a 40.6 12:00m 7.2 0.0 0.00 8.0 23.0 12:00p NW 17 48.8 62.0 4:40p 33.2 3:40a 16.2 0.0 0.00 6.7 24.0 9:50a NNW 18 46.1 61.9 4:30p 27.0 5:30a 18.9 0.0 0.00 3.0 17.0 1:40p NNW 19 47.9 62.4 3:30p 31.0 6:10a 17.1 0.0 0.00 1.8 13.0 3:30p SE 20 49.9 67.1 5:00p 33.0 6:20a 15.2 0.2 0.00 1.2 12.0 12:30p W 21 52.1 71.9 2:30p 35.0 5:00a 14.0 1.1 0.02 3.0 22.0 5:00p W 22 50.0 68.6 6:10p 33.5 5:40a 15.4 0.3 0.00 2.0 13.0 1:10p ENE 23 52.1 64.7 2:10p 38.0 6:30a 12.9 0.0 0.03 2.2 22.0 11:00a ESE 24 54.7 59.5 3:40p 52.1 8:40a 10.3 0.0 0.47 6.4 25.0 10:40p ENE 25 51.2 58.1 12:30p 48.9 4:20a 13.8 0.0 0.41 9.8 24.0 7:20p NE 26 54.2 63.8 3:00p 45.9 3:40a 10.8 0.0 0.00 7.1 23.0 1:30p NNE 27 48.2 58.0 5:30p 35.8 12:00m 16.8 0.0 0.00 6.2 20.0 8:20a NE 28 50.0 65.6 4:50p 30.5 5:50a 15.0 0.0 0.00 2.0 16.0 2:00p S 29 60.4 78.6 4:45p 50.9 1:35a 5.4 2.2 0.02 6.4 30.0 3:15p SSE 30 64.2 71.6 6:25p 59.8 11:50p 0.5 0.3 0.26 5.6 24.0 7:55p S ------------------------------------------------------------------------------------- 54.1 84.1 1 26.3 9 356.2 30.1 3.67 4.8 31.0 2 ENE Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 5 Min <= 0.0: 0 Max Rain: 0.93 ON 04/06/10 Days of Rain: 12 (>.01 in) 8 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration