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 ------------------------------------------------------------------------------------ 17 1 52.2 30.1 41.1 5.1 747 7 77.6 11 7.0 7 0 2 18 0 17 2 62.9 38.3 50.3 8.3 443 31 85.2 11 21.1 9 0 0 9 0 17 3 67.0 44.3 55.5 4.5 352 57 91.5 20 26.0 12 1 0 5 0 17 4 71.9 51.6 61.4 0.4 186 78 82.5 8 36.0 7 0 0 0 0 17 5 79.0 56.4 67.8 -1.2 90 178 91.3 27 42.3 1 1 0 0 0 17 6 86.0 66.4 76.6 -1.4 6 355 92.6 16 55.7 8 4 0 0 0 17 7 91.3 71.8 81.3 -2.7 0 506 98.4 22 63.4 30 19 0 0 0 17 8 86.3 67.1 76.1 -4.9 5 351 96.0 19 57.4 30 7 0 0 0 17 9 84.9 61.9 73.0 -1.0 43 284 94.9 4 47.4 6 9 0 0 0 17 10 73.8 51.0 61.9 -1.1 223 126 88.2 14 28.5 28 0 0 3 0 17 11 64.0 41.6 52.6 2.6 394 20 82.5 2 25.3 22 0 0 5 0 17 12 50.2 31.3 40.2 0.2 772 5 77.8 4 9.7 31 0 2 16 0 ------------------------------------------------------------------------------------ 72.5 51.0 61.5 0.7 3262 1997 98.4 JUL 7.0 JAN 41 4 56 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 17 1 1.73 0.13 1.03 22 4 4 1 17 2 1.20 -0.75 0.61 13 3 3 0 17 3 3.04 -0.53 1.56 25 5 4 1 17 4 11.08 7.13 3.32 29 18 13 3 17 5 8.84 2.73 2.31 19 9 8 4 17 6 4.76 0.04 1.29 30 6 5 4 17 7 3.53 0.57 1.22 15 7 5 1 17 8 5.21 2.36 2.78 6 9 5 1 17 9 2.61 -2.15 1.12 27 5 4 1 17 10 7.42 3.37 3.97 4 9 8 2 17 11 0.72 -2.75 0.66 29 2 1 0 17 12 1.00 -1.43 0.35 22 6 4 0 --------------------------------------------- 51.14 8.72 3.97 OCT 83 64 18 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 17 1 6.3 38.0 9 SSE 17 2 7.3 39.0 10 S 17 3 8.1 44.0 6 S 17 4 7.1 39.0 30 S 17 5 5.9 53.0 3 SSE 17 6 5.1 47.0 15 SSE 17 7 3.4 40.0 2 SSE 17 8 3.2 33.0 5 SE 17 9 4.3 30.0 15 SSE 17 10 6.2 34.0 26 SSE 17 11 5.9 34.0 17 SSE 17 12 5.5 41.0 4 S --------------------------------- 5.7 53.0 MAY SSE