ANNUAL CLIMATOLOGICAL SUMMARY NAME: Sand Ridge Airpark - OK94 CITY: Collinsville STATE: Oklahoma ELEV: 675 ft LAT: 36° 21' 31" N LONG: 95° 48' 15" 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 ------------------------------------------------------------------------------------ 21 1 48.3 31.1 39.4 3.4 795 0 64.0 30 19.3 11 0 0 18 0 21 2 40.8 21.1 31.1 -10.9 966 1 73.3 23 -12.9 16 0 10 21 2 21 3 66.2 43.5 55.0 4.0 329 20 78.5 27 29.2 2 0 0 3 0 21 4 69.8 48.0 58.8 -2.2 247 62 84.8 26 31.4 21 0 0 1 0 21 5 74.0 57.4 65.3 -3.7 103 112 85.3 27 40.7 5 0 0 0 0 21 6 87.6 68.4 77.9 -0.1 10 397 97.4 17 56.1 22 12 0 0 0 21 7 88.8 69.8 79.3 -4.7 0 396 95.6 27 63.0 3 9 0 0 0 21 8 21 9 21 10 21 11 21 12 ------------------------------------------------------------------------------------ 67.9 48.5 58.1 -2.0 2450 988 97.4 JUN -12.9 FEB 21 10 43 2 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 21 1 2.38 0.78 0.68 1 6 5 0 21 2 0.17 -1.78 0.14 17 2 1 0 21 3 2.77 -0.80 0.52 22 10 6 0 21 4 2.62 -1.33 0.60 28 11 7 0 21 5 4.92 -1.19 1.57 27 15 12 1 21 6 3.61 -1.11 1.60 26 8 5 2 21 7 4.38 1.42 1.42 10 7 6 2 21 8 21 9 21 10 21 11 21 12 --------------------------------------------- 20.85 -4.01 1.60 JUN 59 42 5 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 21 1 6.5 38.0 14 SE 21 2 7.7 40.0 4 N 21 3 8.3 45.0 10 SE 21 4 7.8 51.0 28 SSE 21 5 6.1 52.0 9 SE 21 6 5.1 37.0 24 SE 21 7 4.0 45.0 25 SSE 21 8 21 9 21 10 21 11 21 12 --------------------------------- 6.5 52.0 MAY SE