MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2020 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 22.4 34.5 3:05p 13.9 6:55a 42.6 0.0 0.00 3.9 15.0 10:50a NW 2 28.9 45.3 2:20p 15.7 7:30a 36.1 0.0 0.00 2.8 11.0 11:50a WNW 3 31.3 39.5 2:50p 23.7 3:20a 33.7 0.0 0.00 4.9 18.0 10:50a W 4 32.1 44.3 2:15p 20.1 11:40p 32.9 0.0 0.00 3.3 13.0 9:50a NE 5 27.9 41.2 1:50p 16.1 7:00a 37.1 0.0 0.00 0.8 6.0 11:00a NNE 6 31.1 39.0 2:30p 24.4 7:10p 33.9 0.0 0.00 1.2 10.0 1:05p E 7 32.7 35.9 1:20p 28.2 12:05a 32.3 0.0 0.00 4.1 11.0 9:40a N 8 32.5 34.7 9:55p 30.3 7:35a 32.5 0.0 0.00 4.6 17.0 3:20p WSW 9 35.1 53.1 3:00p 24.8 11:40p 29.9 0.0 0.00 2.2 10.0 9:55a N 10 34.5 55.6 2:00p 21.5 6:10a 30.5 0.0 0.00 1.5 14.0 11:00a SSW 11 35.5 39.9 10:40a 28.0 12:40a 29.5 0.0 0.65 9.5 27.0 4:35p ENE 12 32.2 34.7 3:05a 23.5 12:00m 32.7 0.0 0.20 12.0 32.0 11:35a NNE 13 21.9 27.8 1:45p 12.9 7:20a 43.1 0.0 0.01 3.4 20.0 7:40p NNW 14 21.9 27.4 1:25a 11.8 11:45p 43.1 0.0 0.00 4.8 18.0 1:20a NW 15 18.4 26.8 2:30p 9.3 3:20a 46.6 0.0 0.00 3.0 13.0 5:20p NE 16 26.9 32.3 11:05a 21.7 2:05a 38.1 0.0 0.00 3.6 12.0 1:20p ENE 17 25.3 33.2 12:55p 12.8 11:40p 39.7 0.0 0.00 1.1 6.0 12:35p NW 18 25.4 36.2 2:05p 10.3 4:10a 39.6 0.0 0.00 4.0 22.0 7:55p S 19 34.8 36.8 11:15a 30.4 8:25a 30.2 0.0 0.00 2.7 9.0 10:45a NW 20 30.3 34.1 12:00p 27.1 7:55a 34.7 0.0 0.00 4.3 19.0 12:20p W 21 35.2 40.7 12:15p 30.6 12:20a 29.8 0.0 0.00 7.9 32.0 5:55p WNW 22 33.2 39.8 11:20p 24.7 7:50a 31.8 0.0 0.00 5.3 23.0 11:10p S 23 40.6 58.0 2:05p 17.1 11:55p 24.4 0.0 0.00 10.5 32.0 8:15p S 24 11.6 17.1 12:05a 6.1 10:15p 53.4 0.0 0.00 12.8 31.0 1:05a WNW 25 13.9 21.1 3:00p 6.1 6:50a 51.1 0.0 0.00 8.6 20.0 3:40a NNW 26 20.8 30.2 3:15p 13.8 7:35a 44.2 0.0 0.00 2.5 12.0 10:50a NE 27 30.2 39.3 2:05p 20.9 12:05a 34.7 0.0 0.00 5.4 22.0 10:15p ESE 28 23.6 28.3 12:05a 12.0 11:35p 41.4 0.0 0.00 6.0 18.0 1:40a NW 29 19.5 30.2 11:50p 5.6 4:00a 45.5 0.0 0.00 4.3 25.0 10:30p SE 30 28.5 33.3 4:25a 22.1 11:55p 36.5 0.0 0.00 9.4 26.0 9:45a WNW 31 20.0 22.5 12:20a 18.1 7:50p 45.0 0.0 0.00 3.2 12.0 4:10a WNW ------------------------------------------------------------------------------------- 27.7 58.0 23 5.6 29 1156.6 0.0 0.86 5.0 32.0 12 WNW Max >= 90.0: 0 Max <= 32.0: 9 Min <= 32.0: 31 Min <= 0.0: 0 Max Rain: 0.65 ON 12/11/20 Days of Rain: 2 (>.01 in) 2 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration