ANNUAL CLIMATOLOGICAL SUMMARY NAME: Home Ofallon Missouri CITY: Ofallon STATE: MO ELEV: 560 ft LAT: 38° 50' 20" N LONG: 90° 43' 43" 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 ------------------------------------------------------------------------------------ 08 1 40.7 21.1 31.1 3.6 1053 3 72.3 7 2.0 20 0 9 25 0 08 2 39.0 22.4 30.7 -1.1 955 3 75.1 4 7.4 13 0 9 25 0 08 3 54.2 34.5 43.4 0.2 598 7 77.6 2 14.1 8 0 0 11 0 08 4 63.4 43.9 53.8 -1.1 375 37 80.1 23 31.3 2 0 0 1 0 08 5 71.4 52.2 61.8 -2.4 167 68 87.2 30 39.3 4 0 0 0 0 08 6 84.0 65.8 74.9 1.7 7 298 91.3 12 56.7 17 3 0 0 0 08 7 86.2 67.7 76.8 -0.7 3 368 96.3 20 58.2 5 8 0 0 0 08 8 83.5 64.7 74.0 -1.0 9 275 96.0 4 57.3 17 3 0 0 0 08 9 08 10 08 11 08 12 ------------------------------------------------------------------------------------ 64.6 45.8 55.1 -0.1 3167 1060 96.3 JUL 2.0 JAN 14 18 62 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 08 1 2.67 0.88 1.41 7 5 2 2 08 2 3.22 0.96 1.62 5 12 6 1 08 3 7.30 3.92 2.32 31 12 9 2 08 4 4.28 0.70 1.46 10 13 7 1 08 5 11.39 7.05 2.80 25 17 12 3 08 6 1.16 -2.46 0.37 13 8 4 0 08 7 7.70 3.52 2.10 30 14 10 2 08 8 0.47 -2.66 0.43 6 2 1 0 08 9 08 10 08 11 08 12 --------------------------------------------- 38.19 11.91 2.80 MAY 83 51 11 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 08 1 4.4 42.0 6 WNW 08 2 3.5 36.0 17 WNW 08 3 3.6 37.0 2 NNW 08 4 3.7 43.0 11 SSE 08 5 2.4 43.0 11 SSE 08 6 2.6 35.0 6 SSE 08 7 1.5 34.0 12 SW 08 8 0.7 26.0 5 NE 08 9 08 10 08 11 08 12 --------------------------------- 2.9 43.0 APR SSE