ANNUAL CLIMATOLOGICAL SUMMARY NAME: Christmas 1 CITY: Olney STATE: IL ELEV: 478 ft LAT: 38° 41' 08" N LONG: 88° 05' 07" 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 ------------------------------------------------------------------------------------ 18 1 38.7 19.4 29.5 1.9 1098 0 62.7 11 -4.5 2 0 12 24 5 18 2 49.7 30.5 40.4 8.0 697 8 77.2 20 6.6 5 0 3 16 0 18 3 52.8 34.3 43.2 0.5 674 0 67.5 15 21.2 14 0 0 8 0 18 4 61.3 39.0 50.3 -3.1 462 22 80.6 12 26.0 8 0 0 9 0 18 5 85.9 63.7 74.4 11.0 21 310 94.4 28 46.7 8 6 0 0 0 18 6 88.1 68.4 77.4 4.3 5 376 94.2 17 55.3 4 13 0 0 0 18 7 88.7 67.8 77.3 0.8 4 385 96.5 14 57.7 28 14 0 0 0 18 8 86.5 67.8 76.4 1.8 6 358 92.8 5 56.8 23 8 0 0 0 18 9 84.4 64.5 73.0 5.6 35 276 95.8 20 49.7 28 12 0 0 0 18 10 70.3 48.4 58.6 2.5 318 121 91.1 7 27.2 21 3 0 1 0 18 11 48.4 32.5 40.4 -3.4 739 0 66.0 25 16.4 28 0 1 14 0 18 12 48.1 32.1 39.6 6.7 787 0 61.8 1 16.6 10 0 1 17 0 ------------------------------------------------------------------------------------ 67.0 47.5 56.8 3.1 4845 1857 96.5 JUL -4.5 JAN 56 17 89 5 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 18 1 1.72 -1.12 0.42 27 10 4 0 18 2 6.36 3.63 2.05 24 14 10 2 18 3 5.33 0.98 1.46 29 13 9 2 18 4 2.81 -1.57 0.85 14 8 6 0 18 5 2.37 -2.39 0.66 30 8 4 0 18 6 6.25 2.18 1.72 11 13 8 4 18 7 3.99 -0.14 1.85 31 11 8 1 18 8 5.12 1.57 2.25 17 10 5 1 18 9 8.06 4.97 4.95 8 9 6 2 18 10 2.81 -0.53 1.01 31 7 4 1 18 11 2.92 -1.47 1.20 1 11 8 1 18 12 6.11 2.46 2.23 15 12 7 1 --------------------------------------------- 53.85 8.57 4.95 SEP 126 79 15 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 18 1 5.3 40.0 22 SSW 18 2 4.7 53.0 20 SSW 18 3 3.4 38.0 6 E 18 4 4.1 47.0 13 NW 18 5 2.9 56.0 31 SW 18 6 1.6 29.0 10 SW 18 7 0.8 27.0 5 NE 18 8 2.0 28.0 8 SSW 18 9 1.3 26.0 8 NE 18 10 2.4 29.0 28 SW 18 11 2.8 41.0 1 SE 18 12 3.3 53.0 27 SE --------------------------------- 2.9 56.0 MAY SSW