MONTHLY CLIMATOLOGICAL SUMMARY for MAY. 2017 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 46.4 52.2 10:35a 42.2 12:00m 18.6 0.0 0.30 6.6 28.0 4:10p SSW 2 43.5 50.2 7:20p 36.0 11:40p 21.5 0.0 0.02 9.9 30.0 1:30p W 3 46.4 60.1 4:05p 30.6 6:10a 18.6 0.0 0.01 1.1 12.0 3:45p SE 4 49.6 64.5 4:35p 34.0 4:10a 15.4 0.0 0.00 5.2 26.0 4:40p ENE 5 53.8 65.8 5:45p 41.6 4:20a 11.3 0.0 0.02 8.8 28.0 1:05p NNE 6 52.2 62.9 5:10p 42.7 5:45a 12.8 0.0 0.12 7.8 25.0 10:55a N 7 48.4 62.7 5:05p 32.4 5:40a 16.6 0.0 0.00 3.7 22.0 2:00p ESE 8 49.6 65.7 5:10p 32.7 6:00a 15.4 0.0 0.00 2.9 17.0 12:00m ESE 9 49.4 59.7 5:35p 39.5 3:30a 15.6 0.0 0.48 3.1 19.0 2:10a ESE 10 55.1 66.8 11:20a 44.0 5:55a 9.9 0.0 0.60 2.0 15.0 8:00p ENE 11 59.7 70.6 5:00p 52.7 6:30a 6.1 0.8 0.00 2.9 15.0 1:25p NE 12 60.1 70.9 2:25p 51.0 4:50a 6.3 1.4 0.00 1.7 16.0 5:15p ENE 13 64.5 81.5 4:35p 47.0 2:40a 5.8 5.4 0.00 4.5 24.0 2:00p NW 14 63.6 81.0 3:30p 49.9 6:00a 5.4 4.0 0.00 2.4 18.0 3:30p E 15 64.7 84.2 4:45p 46.1 5:40a 5.7 5.3 0.54 2.5 26.0 9:40p SE 16 74.1 85.7 4:00p 60.9 5:55a 0.8 9.9 0.00 4.6 28.0 2:30p SSW 17 73.3 82.9 4:45p 61.1 10:15p 0.3 8.6 0.67 6.8 48.0 9:45p SSW 18 64.1 71.4 4:30p 55.4 12:00m 2.0 1.1 0.01 7.5 22.0 6:35a W 19 46.6 55.5 12:05a 42.8 10:20a 18.4 0.0 0.26 10.2 25.0 3:00p ENE 20 50.6 57.8 7:20p 45.6 12:05a 14.5 0.0 0.66 3.8 22.0 3:35a E 21 53.2 60.1 2:25a 48.6 7:45p 11.8 0.0 0.08 5.7 22.0 11:35a WSW 22 57.0 69.7 3:55p 44.7 5:30a 8.4 0.4 0.00 4.8 24.0 5:20p WSW 23 56.9 62.7 1:00p 50.8 10:35p 8.1 0.0 0.46 1.6 11.0 5:20a SSW 24 54.0 58.7 4:35p 50.4 1:05a 11.0 0.0 0.06 8.0 19.0 2:55p N 25 59.5 70.9 5:10p 53.2 5:35a 6.5 1.0 0.00 5.5 17.0 7:55a N 26 59.7 68.8 12:25p 51.9 5:50a 5.8 0.5 0.32 1.3 16.0 10:30a E 27 63.7 78.4 5:10p 47.6 5:05a 5.0 3.7 0.00 0.9 13.0 8:50p SSW 28 64.0 75.3 4:35p 55.6 11:55p 3.4 2.4 0.53 3.5 27.0 6:05a W 29 62.3 70.7 5:20p 53.2 2:20a 4.2 1.5 0.02 5.6 28.0 11:25a W 30 61.8 70.4 3:15p 52.7 4:00a 4.5 1.3 0.00 6.3 27.0 1:55p W 31 60.6 72.7 5:20p 48.4 4:35a 6.4 2.0 0.00 5.3 27.0 1:30p WNW ------------------------------------------------------------------------------------- 57.0 85.7 16 30.6 3 296.1 49.3 5.16 4.7 48.0 17 W Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 1 Min <= 0.0: 0 Max Rain: 0.67 ON 05/17/17 Days of Rain: 16 (>.01 in) 11 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration