MONTHLY CLIMATOLOGICAL SUMMARY for APR. 2011 NAME: Hawkeye Observatory CITY: Durand STATE: Illinois ELEV: 758 ft LAT: 42° 24' 00" N LONG: 89° 18' 00" 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 35.8 43.8 6:30p 23.0 4:20a 29.2 0.0 0.18 3.3 15.0 1:25p W 2 42.8 55.9 4:10p 33.2 6:55a 22.2 0.0 0.01 6.2 27.0 2:35p WNW 3 52.8 70.6 5:10p 35.2 12:05a 12.7 0.5 0.06 4.8 29.0 9:50a ESE 4 44.5 56.9 12:40a 39.2 11:30p 20.5 0.0 0.10 10.6 31.0 1:00a WNW 5 42.4 54.4 5:45p 29.8 6:25a 22.6 0.0 0.00 6.0 23.0 12:10p W 6 47.6 56.1 5:00p 33.4 12:00m 17.4 0.0 0.00 3.0 13.0 12:50p E 7 44.1 57.2 2:50p 29.3 4:20a 20.9 0.0 0.05 3.8 18.0 11:15p E 8 45.6 51.3 5:10p 41.2 3:10a 19.4 0.0 0.56 6.8 19.0 7:50a ENE 9 54.7 69.1 5:15p 46.3 3:45a 10.7 0.4 0.00 3.3 13.0 10:10a ESE 10 72.1 82.3 2:05p 58.2 12:20a 0.4 7.5 0.27 8.1 32.0 8:00p SSW 11 55.4 64.7 4:40p 47.8 6:15a 9.6 0.0 0.00 9.3 26.0 12:20a W 12 49.3 62.6 5:05p 33.7 6:25a 15.7 0.0 0.00 3.4 15.0 2:00p ENE 13 53.6 71.1 4:40p 34.8 4:00a 12.5 1.1 0.00 2.7 17.0 9:40p E 14 46.2 56.6 12:05a 40.9 11:15p 18.8 0.0 0.00 14.7 31.0 1:55p ENE 15 41.9 46.4 12:05p 36.4 6:15a 23.1 0.0 0.26 15.1 40.0 11:00a ESE 16 38.9 41.7 12:05a 35.6 2:05p 26.1 0.0 0.03 10.1 32.0 2:40p NNW 17 43.2 52.5 4:35p 34.8 3:55a 21.8 0.0 0.01 8.8 29.0 9:10a NW 18 38.1 45.0 4:45p 32.9 7:50a 26.9 0.0 0.50 7.5 21.0 11:20p ENE 19 35.3 37.7 8:55a 34.2 12:00m 29.7 0.0 0.55 14.0 32.0 11:00a ENE 20 37.3 45.1 6:00p 32.5 10:25p 27.7 0.0 0.01 8.3 22.0 1:25a NW 21 41.8 54.4 2:30p 27.1 5:50a 23.2 0.0 0.01 3.3 19.0 3:15p ESE 22 41.8 43.0 11:45p 40.0 12:45a 23.2 0.0 0.47 5.5 25.0 12:35p ESE 23 50.2 58.0 3:55p 43.0 12:05a 14.8 0.0 0.00 6.3 27.0 1:10p WNW 24 51.4 60.3 3:05p 45.0 3:45a 13.6 0.0 0.00 3.0 13.0 10:15a NNE 25 52.0 62.3 2:50p 42.9 6:15a 13.0 0.0 0.15 5.2 21.0 10:10p E 26 54.1 63.1 1:00p 48.6 5:20a 10.9 0.0 0.69 7.6 28.0 11:25a WSW 27 47.1 51.2 12:40a 42.2 11:45p 17.9 0.0 0.06 5.2 17.0 3:45p WNW 28 42.0 45.1 6:25p 39.2 9:15a 23.0 0.0 0.04 8.4 25.0 2:05p W 29 50.2 63.9 4:30p 31.0 6:05a 14.8 0.0 0.00 2.5 13.0 3:00p SE 30 60.4 71.3 1:30p 47.3 1:15a 5.9 1.3 0.05 7.3 32.0 10:30a S ------------------------------------------------------------------------------------- 47.1 82.3 10 23.0 1 548.2 10.8 4.06 6.8 40.0 15 ENE Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 5 Min <= 0.0: 0 Max Rain: 0.69 ON 04/26/11 Days of Rain: 16 (>.01 in) 9 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration