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 89.6 70.3 79.9 -4.1 0 463 99.4 31 63.0 3 12 0 0 0 21 8 91.8 72.0 81.5 0.5 1 512 98.1 12 61.1 4 18 0 0 0 21 9 90.8 64.6 77.4 3.4 21 395 98.0 20 44.9 23 21 0 0 0 21 10 78.1 55.4 66.2 3.2 72 112 93.2 9 42.8 17 2 0 0 0 21 11 21 12 ------------------------------------------------------------------------------------ 73.8 53.4 63.4 -0.6 2544 2074 99.4 JUL -12.9 FEB 65 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 0.50 -2.35 0.33 21 5 1 0 21 9 0.40 -4.36 0.24 30 3 2 0 21 10 3.14 -0.91 1.14 13 6 5 1 21 11 21 12 --------------------------------------------- 24.89-11.63 1.60 JUN 73 50 6 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 3.8 45.0 25 SSE 21 8 5.3 32.0 9 SE 21 9 5.6 38.0 30 SSE 21 10 5.0 40.0 11 SSE 21 11 21 12 --------------------------------- 6.1 52.0 MAY SE