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 ------------------------------------------------------------------------------------ 20 1 51.7 32.3 41.5 5.5 729 0 65.6 10 19.5 21 0 1 16 0 20 2 52.8 31.5 42.0 -0.0 656 4 77.1 2 15.2 14 0 0 16 0 20 3 67.3 46.1 55.8 4.8 335 50 92.4 26 31.1 21 1 0 3 0 20 4 70.4 47.3 58.2 -2.8 268 63 94.4 8 29.9 18 1 0 1 0 20 5 75.4 57.0 66.1 -2.9 103 139 86.0 4 39.0 9 0 0 0 0 20 6 90.2 69.1 79.7 1.7 5 446 95.1 5 53.8 11 22 0 0 0 20 7 91.6 73.2 81.8 -2.2 0 520 96.7 3 67.3 13 23 0 0 0 20 8 89.5 67.1 77.9 -3.1 7 406 97.7 28 58.1 4 13 0 0 0 20 9 81.7 60.8 70.3 -3.7 55 215 93.8 4 43.6 29 5 0 0 0 20 10 71.6 47.8 59.2 -3.8 242 92 87.7 11 32.3 27 0 0 0 0 20 11 20 12 ------------------------------------------------------------------------------------ 74.3 53.4 63.4 -0.7 2400 1933 97.7 AUG 15.2 FEB 65 1 36 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 20 1 3.33 1.73 1.39 10 7 5 1 20 2 0.95 -1.00 0.37 12 8 2 0 20 3 5.48 1.91 1.83 19 13 9 1 20 4 3.58 -0.37 1.24 22 11 6 1 20 5 4.10 -2.01 1.42 25 15 8 1 20 6 0.29 -4.43 0.20 23 3 1 0 20 7 5.55 2.59 2.22 11 12 8 2 20 8 1.27 -1.58 0.48 6 7 5 0 20 9 2.17 -2.59 0.85 9 7 5 0 20 10 3.16 -0.89 1.87 26 5 3 1 20 11 20 12 --------------------------------------------- 29.88 -6.64 2.22 JUL 88 52 7 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 20 1 7.3 45.0 1 SE 20 2 7.0 37.0 3 N 20 3 7.6 48.0 8 SSE 20 4 7.3 43.0 2 SE 20 5 5.9 41.0 22 SE 20 6 6.6 41.0 28 SE 20 7 5.0 50.0 11 SE 20 8 4.5 34.0 15 SE 20 9 4.8 38.0 27 SSE 20 10 6.8 45.0 17 SSE 20 11 20 12 --------------------------------- 6.2 50.0 JUL SE