MONTHLY CLIMATOLOGICAL SUMMARY for APR. 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 30.9 40.9 4:45p 20.3 6:55a 34.1 0.0 0.00 6.5 23.0 10:10a N 2 37.2 51.4 5:30p 21.1 1:45a 27.8 0.0 0.00 4.7 24.0 1:50p SSW 3 52.4 70.6 4:35p 36.4 1:05a 13.6 0.9 0.00 5.3 24.0 9:45a W 4 55.2 76.1 4:50p 31.4 6:55a 12.9 3.1 0.00 3.2 22.0 1:55p SSW 5 63.6 75.9 5:35p 55.7 3:10a 3.1 1.7 0.20 5.6 27.0 9:25a SSW 6 67.0 80.2 3:20p 52.6 12:00m 3.0 4.9 0.01 4.6 23.0 10:15a SW 7 63.6 74.6 12:10p 51.2 7:05a 3.1 1.8 0.09 3.8 22.0 11:35p SE 8 55.7 62.5 12:05a 46.1 10:00p 9.3 0.0 0.03 4.6 25.0 7:05p SSW 9 52.7 59.6 5:00p 48.7 12:05a 12.3 0.0 0.02 5.5 21.0 5:00p WSW 10 50.9 53.1 5:25p 48.9 6:05a 14.1 0.0 0.01 9.0 26.0 4:30p NE 11 50.9 55.0 4:55p 47.2 6:25a 14.1 0.0 0.01 6.0 19.0 5:35p NW 12 50.7 57.1 2:10p 42.6 12:00m 14.3 0.0 0.01 7.2 25.0 12:25p WNW 13 43.2 50.7 5:25p 35.7 12:00m 21.8 0.0 0.01 7.2 27.0 1:40p W 14 37.7 43.6 2:15p 30.7 2:55a 27.3 0.0 0.00 7.1 21.0 9:45a NW 15 43.5 51.7 2:05p 34.5 4:20a 21.5 0.0 0.01 7.8 22.0 11:30a NNW 16 47.1 60.0 5:20p 33.7 6:55a 17.9 0.0 0.00 4.4 21.0 12:35p NNE 17 45.4 59.4 4:55p 30.2 5:40a 19.6 0.0 0.08 2.9 16.0 1:20p ESE 18 49.2 62.2 3:35p 34.2 2:50a 15.8 0.0 0.00 3.8 21.0 4:15p WNW 19 44.0 49.3 4:40a 34.6 11:25p 21.0 0.0 0.00 9.2 25.0 2:25p NW 20 36.9 42.0 3:50p 31.4 3:30a 28.1 0.0 0.00 2.8 13.0 3:45p NW 21 37.1 46.5 4:30p 24.3 6:45a 27.9 0.0 0.22 6.4 25.0 3:00p NW 22 44.8 61.8 4:10p 24.0 3:10a 20.2 0.0 0.03 4.8 26.0 3:25p WNW 23 51.1 60.2 3:15p 41.4 3:30a 13.9 0.0 0.00 4.1 23.0 3:25p SW 24 53.3 64.7 5:15p 42.8 12:00m 11.7 0.0 0.00 4.9 25.0 5:30p WSW 25 42.7 51.6 4:45p 31.3 6:15a 22.3 0.0 0.00 6.4 20.0 10:35a ESE 26 59.5 79.8 4:25p 37.7 6:10a 9.9 4.4 0.00 7.0 33.0 1:50p S 27 70.5 84.2 4:35p 56.6 12:00m 1.1 6.6 0.00 6.0 23.0 8:05p SSW 28 56.3 67.4 3:20p 47.3 6:20a 8.9 0.3 0.00 7.0 18.0 9:00a NE 29 57.6 72.6 4:20p 45.4 12:00m 8.4 1.0 0.01 7.2 44.0 5:10p NW 30 52.6 63.6 6:00p 41.2 1:55a 12.4 0.0 0.00 6.7 32.0 7:35a NNE ------------------------------------------------------------------------------------- 50.1 84.2 27 20.3 1 471.4 24.7 0.74 5.7 44.0 29 NW Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 9 Min <= 0.0: 0 Max Rain: 0.22 ON 04/21/21 Days of Rain: 7 (>.01 in) 2 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration