ANNUAL CLIMATOLOGICAL SUMMARY NAME: Hawkeye Observatory CITY: Durand STATE: Illinois ELEV: 758 ft LAT: 42° 26' 20" N LONG: 89° 18' 35" 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 ------------------------------------------------------------------------------------ 23 1 34.9 24.8 29.8 0.0 1016 0 48.7 11 6.4 27 0 10 22 0 23 2 23 3 23 4 23 5 23 6 23 7 23 8 23 9 23 10 23 11 23 12 ------------------------------------------------------------------------------------ 34.9 24.8 29.8 0.0 1016 0 48.7 JAN 6.4 JAN 0 10 22 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 23 1 1.48 0.00 0.54 16 7 6 0 23 2 23 3 23 4 23 5 23 6 23 7 23 8 23 9 23 10 23 11 23 12 --------------------------------------------- 1.48 0.00 0.54 JAN 7 6 0 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 23 1 5.1 31.0 27 WNW 23 2 23 3 23 4 23 5 23 6 23 7 23 8 23 9 23 10 23 11 23 12 --------------------------------- 5.1 31.0 JAN WNW