MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2019 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 35.4 39.6 6:45a 29.9 12:00m 29.6 0.0 0.13 8.7 25.0 6:55p N 2 29.7 34.6 2:00p 24.5 11:35p 35.3 0.0 0.00 6.0 22.0 2:50a N 3 33.5 42.9 2:40p 24.7 12:05a 31.5 0.0 0.00 5.0 18.0 10:50p W 4 34.7 43.0 2:30p 28.3 12:00m 30.3 0.0 0.00 7.8 25.0 10:50a WNW 5 33.0 46.2 2:30p 20.3 7:10a 32.0 0.0 0.00 1.7 15.0 11:00a SSW 6 32.4 38.5 1:05a 20.2 11:35p 32.6 0.0 0.00 6.8 31.0 3:35a NNE 7 31.8 38.4 1:10p 21.7 12:05a 33.2 0.0 0.00 3.9 18.0 11:15a SSW 8 37.4 43.3 2:25p 32.6 7:35p 27.6 0.0 0.00 3.9 22.0 4:15a SW 9 35.9 44.7 11:35a 19.7 12:00m 29.1 0.0 0.09 7.4 31.0 4:30p WNW 10 15.1 19.9 12:05a 9.9 7:35a 49.9 0.0 0.00 8.9 24.0 3:40a WNW 11 15.4 22.0 2:05p 8.5 1:10a 49.6 0.0 0.00 3.6 16.0 8:55a W 12 31.7 41.6 6:40p 14.6 12:25a 33.3 0.0 0.00 4.6 23.0 11:10a SW 13 31.8 40.5 2:05p 25.1 8:00a 33.2 0.0 0.00 1.4 7.0 1:45p NW 14 27.3 32.0 3:50a 18.7 11:20p 37.7 0.0 0.00 8.4 23.0 3:50p NW 15 19.6 23.0 2:05p 12.2 7:40a 45.4 0.0 0.00 3.2 18.0 12:55a NW 16 22.4 29.0 2:50p 16.8 11:30p 42.6 0.0 0.02 2.1 9.0 2:45p N 17 23.4 27.6 2:05p 15.7 1:00a 41.6 0.0 0.00 6.0 18.0 1:40p W 18 14.3 23.7 12:05a 5.4 7:25a 50.7 0.0 0.00 4.8 20.0 2:50a N 19 24.2 38.6 3:05p 14.6 12:45a 40.8 0.0 0.00 2.5 14.0 10:30a SW 20 29.7 43.3 2:35p 17.0 4:55a 35.3 0.0 0.00 1.8 11.0 1:05p S 21 33.3 47.5 2:20p 19.4 6:45a 31.7 0.0 0.01 1.9 15.0 1:00p SW 22 39.2 51.5 2:15p 27.9 8:10a 25.8 0.0 0.00 3.3 18.0 1:55p SW 23 36.7 47.5 2:10p 28.3 8:25p 28.3 0.0 0.00 2.0 10.0 1:15a SW 24 39.1 54.7 2:55p 31.5 10:10p 25.9 0.0 0.00 2.9 13.0 11:40a S 25 42.8 56.1 2:40p 30.8 3:30a 22.2 0.0 0.01 2.2 15.0 10:40a SSE 26 41.8 52.5 2:40a 35.3 8:55p 23.2 0.0 0.00 4.8 19.0 11:40p WNW 27 30.9 37.2 2:55p 21.6 12:00m 34.1 0.0 0.00 5.2 20.0 3:55a WNW 28 35.4 49.9 12:00m 21.4 1:10a 29.6 0.0 0.59 4.0 20.0 9:35p ESE 29 51.7 55.6 4:55a 40.4 12:00m 13.3 0.0 0.52 5.9 26.0 5:00a SW 30 30.7 40.4 12:05a 24.5 11:55p 34.3 0.0 0.10 9.3 30.0 7:50p W 31 24.0 27.6 3:15p 19.5 12:00m 41.0 0.0 0.00 9.3 26.0 2:00a WNW ------------------------------------------------------------------------------------- 31.1 56.1 25 5.4 18 1050.7 0.0 1.47 4.8 31.0 6 WNW Max >= 90.0: 0 Max <= 32.0: 8 Min <= 32.0: 28 Min <= 0.0: 0 Max Rain: 0.59 ON 12/28/19 Days of Rain: 6 (>.01 in) 3 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration