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 40.7 2:40p 20.0 11:55p 33.7 0.0 0.00 3.9 14.0 5:50a NW 18 31.3 46.1 2:15p 17.1 6:30a 33.7 0.0 0.00 2.5 18.0 11:05a SSW 19 39.5 47.2 2:10p 33.2 12:05a 25.5 0.0 0.00 2.4 15.0 11:05a S 20 39.0 41.2 5:05a 35.3 11:25p 26.0 0.0 0.25 4.6 17.0 10:00p NNW 21 31.6 35.4 12:05a 27.8 11:55p 33.4 0.0 0.00 9.1 21.0 5:00a NNW 22 28.9 30.8 1:55p 26.9 7:40a 36.1 0.0 0.00 3.4 14.0 8:50p SSW 23 31.2 36.2 1:15p 23.7 12:00m 33.8 0.0 0.00 7.2 26.0 6:35p W 24 25.0 32.9 2:30p 17.9 7:50a 40.0 0.0 0.00 2.4 12.0 12:35a W 25 31.4 43.3 3:25p 23.3 12:00m 33.6 0.0 0.00 0.9 8.0 12:20p NNE 26 31.8 43.9 2:40p 20.0 4:40a 33.2 0.0 0.01 1.4 16.0 10:15p ESE 27 43.4 50.8 11:05p 37.0 3:55a 21.6 0.0 0.97 7.0 26.0 9:50a SE 28 34.5 49.0 12:05a 28.0 12:00m 30.5 0.0 0.01 7.8 29.0 4:15a WSW 29 24.9 28.0 12:05a 22.2 10:25p 40.1 0.0 0.00 4.3 18.0 9:00p ENE 30 27.2 35.1 3:15p 19.1 6:35a 37.8 0.0 0.00 5.3 21.0 2:00p SSW 31 32.6 35.3 2:35p 27.3 1:05a 32.4 0.0 0.34 4.5 20.0 2:05p N ------------------------------------------------------------------------------------- 29.9 50.8 27 8.7 9 1087.3 0.0 2.64 4.3 33.0 1 W Max >= 90.0: 0 Max <= 32.0: 7 Min <= 32.0: 27 Min <= 0.0: 0 Max Rain: 0.97 ON 12/27/18 Days of Rain: 6 (>.01 in) 5 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration