MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2018 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 36.9 39.4 8:10p 31.8 12:05a 28.1 0.0 0.65 9.1 33.0 9:45a E 2 35.8 38.5 12:05a 33.0 12:00m 29.2 0.0 0.35 7.3 21.0 9:00p N 3 30.4 33.1 12:15a 28.7 11:50p 34.6 0.0 0.00 9.1 22.0 10:35a N 4 27.6 28.8 12:05a 25.0 12:00m 37.4 0.0 0.00 3.7 15.0 11:20p W 5 27.7 32.5 3:45p 23.8 5:35a 37.3 0.0 0.00 5.2 18.0 1:05a SSW 6 23.8 30.0 12:50a 12.0 12:00m 41.2 0.0 0.01 6.7 21.0 10:05a NNW 7 17.9 23.8 11:50p 10.6 4:55a 47.1 0.0 0.00 3.4 20.0 11:15a WNW 8 24.3 27.8 11:40a 13.3 12:00m 40.7 0.0 0.00 2.0 9.0 1:00p WSW 9 16.2 25.8 1:55p 8.7 7:15a 48.8 0.0 0.00 1.4 11.0 1:55p N 10 23.2 34.4 2:15p 12.6 5:45a 41.8 0.0 0.00 2.9 16.0 1:35p WSW 11 27.3 35.9 2:25p 18.4 7:15a 37.7 0.0 0.00 1.7 11.0 10:20p WSW 12 30.8 35.5 6:55a 23.3 12:00m 34.2 0.0 0.00 5.0 22.0 12:10p W 13 29.7 42.9 2:20p 15.1 7:20a 35.3 0.0 0.03 0.8 12.0 1:10p SE 14 30.8 36.2 12:25a 21.3 12:00m 34.2 0.0 0.01 2.7 11.0 8:50a N 15 28.9 47.0 1:55p 18.6 6:40a 36.1 0.0 0.00 0.9 9.0 3:45p NE 16 32.8 47.2 2:25p 19.4 2:50a 32.2 0.0 0.01 3.3 13.0 2:10p W 17 31.3 32.7 12:50a 30.0 4:05a 7.2 0.0 0.00 5.4 11.0 1:55a W 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ------------------------------------------------------------------------------------- 28.0 47.2 16 8.7 9 603.1 0.0 1.06 4.2 33.0 1 W Max >= 90.0: 0 Max <= 32.0: 5 Min <= 32.0: 16 Min <= 0.0: 0 Max Rain: 0.65 ON 12/01/18 Days of Rain: 3 (>.01 in) 2 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration