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 ------------------------------------------------------------------------------------ 15 1 49.5 26.4 37.9 1.9 845 5 79.6 28 6.3 8 0 3 22 0 15 2 46.5 23.7 34.1 -7.9 869 3 78.1 8 11.4 2 0 4 24 0 15 3 62.6 41.0 51.3 0.3 451 26 81.2 24 17.3 5 0 0 5 0 15 4 72.2 52.2 61.8 0.8 173 77 86.5 7 32.8 4 0 0 0 0 15 5 75.2 58.9 66.5 -2.5 73 120 84.2 27 46.2 1 0 0 0 0 15 6 88.3 70.0 79.2 1.2 3 429 95.6 30 55.2 1 15 0 0 0 15 7 91.3 73.4 82.2 -1.8 0 533 97.4 24 66.1 8 22 0 0 0 15 8 88.2 66.7 77.3 -3.7 11 391 101.3 9 53.0 20 14 0 0 0 15 9 85.2 64.7 74.5 0.5 21 305 96.2 7 49.9 12 7 0 0 0 15 10 74.6 50.3 61.9 -1.1 185 90 89.1 15 37.3 26 0 0 0 0 15 11 62.8 41.0 51.9 1.9 405 12 77.9 11 26.2 22 0 0 3 0 15 12 57.2 35.0 45.9 5.9 598 5 72.4 12 22.2 18 0 1 15 0 ------------------------------------------------------------------------------------ 71.3 50.4 60.5 -0.4 3634 1997 101.3 AUG 6.3 JAN 58 8 69 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 15 1 0.77 -0.83 0.36 31 6 3 0 15 2 0.73 -1.22 0.26 16 7 2 0 15 3 2.72 -0.85 1.00 25 7 4 0 15 4 4.09 0.14 1.12 27 12 5 1 15 5 14.78 8.67 2.93 23 19 17 7 15 6 7.40 2.68 2.09 18 8 6 3 15 7 6.06 3.10 2.62 8 8 7 2 15 8 7.04 4.19 2.83 22 7 5 3 15 9 1.32 -3.44 0.67 8 5 3 0 15 10 1.69 -2.36 0.75 30 7 4 0 15 11 6.70 3.23 1.85 27 10 8 3 15 12 8.04 5.61 2.60 13 7 4 3 --------------------------------------------- 61.34 18.92 2.93 MAY 103 68 22 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 15 1 4.7 40.0 25 N 15 2 6.1 38.0 17 N 15 3 4.7 32.0 25 SSE 15 4 5.8 36.0 3 SSE 15 5 4.8 51.0 9 SSE 15 6 3.6 39.0 14 SSE 15 7 2.9 29.0 23 S 15 8 2.3 28.0 22 SE 15 9 2.2 31.0 11 SSE 15 10 2.1 32.0 30 SSE 15 11 3.2 38.0 11 SSE 15 12 3.1 50.0 27 S --------------------------------- 3.8 51.0 MAY SSE