ANNUAL CLIMATOLOGICAL SUMMARY NAME: Hawkeye Observatory CITY: STATE: ELEV: 758 ft LAT: 42° 24' 00" N LONG: 89° 18' 00" W TEMPERATURE (°F), HEAT BASE 65.0, COOL BASE 65.0 DEP. HEAT COOL MEAN MEAN FROM DEG DEG MAX MAX MIN MIN YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=90 <=32 <=32 <=0 ------------------------------------------------------------------------------------ 13 1 32.5 13.1 23.6 0.0 1283 0 58.8 29 -3.2 22 0 15 28 1 13 2 30.8 12.4 23.2 0.0 1172 0 52.1 18 -4.8 1 0 15 28 4 13 3 36.0 19.5 28.5 0.0 1131 0 56.3 30 -2.4 3 0 8 29 1 13 4 55.9 36.0 45.5 0.0 598 13 86.8 30 20.4 3 0 0 8 0 13 5 72.5 49.5 61.6 0.0 219 112 92.1 14 30.2 13 1 0 1 0 13 6 78.8 57.6 68.2 0.0 72 169 88.1 20 42.9 3 0 0 0 0 13 7 82.2 58.0 71.1 0.0 66 256 92.8 17 48.3 24 5 0 0 0 13 8 82.3 56.4 69.6 0.0 81 224 96.2 30 42.4 14 3 0 0 0 13 9 77.4 49.8 63.4 0.0 181 134 95.6 10 34.4 14 4 0 0 0 13 10 61.6 37.4 50.0 0.0 495 31 82.4 1 23.0 27 0 0 10 0 13 11 43.7 25.3 35.2 0.0 894 0 67.9 17 3.6 29 0 6 21 0 13 12 27.5 8.8 19.3 0.0 1417 0 51.1 4 -15.8 24 0 19 29 9 ------------------------------------------------------------------------------------ 56.9 35.4 46.7 0.0 7610 939 96.2 AUG -15.8 DEC 13 63 154 15 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 13 1 2.40 0.00 0.85 29 8 4 0 13 2 1.53 0.00 0.53 10 6 4 0 13 3 1.61 0.00 0.71 10 9 6 0 13 4 7.91 0.00 1.38 18 13 10 4 13 5 3.70 0.00 1.04 9 13 7 1 13 6 4.18 0.00 1.32 29 15 7 1 13 7 1.73 0.00 0.87 26 6 3 0 13 8 1.88 0.00 0.99 22 6 5 0 13 9 1.52 0.00 0.80 15 5 4 0 13 10 3.86 0.00 1.02 31 10 6 1 13 11 1.79 0.00 0.61 17 9 5 0 13 12 0.29 0.00 0.06 17 8 0 0 --------------------------------------------- 32.40 0.00 1.38 APR 108 61 7 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 13 1 6.0 44.0 19 W 13 2 6.8 37.0 11 W 13 3 5.9 35.0 19 W 13 4 6.8 38.0 11 W 13 5 5.1 40.0 20 SSW 13 6 3.8 33.0 22 ENE 13 7 2.7 44.0 22 SSW 13 8 2.2 35.0 22 SSW 13 9 2.7 27.0 28 SSW 13 10 3.3 27.0 19 W 13 11 5.5 42.0 17 W 13 12 4.8 31.0 10 W --------------------------------- 4.6 44.0 JAN W