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 ------------------------------------------------------------------------------------ 19 1 46.2 28.3 36.9 0.9 872 1 69.2 7 14.1 25 0 4 22 0 19 2 47.8 30.6 38.9 -3.1 732 0 67.7 3 13.4 8 0 2 16 0 19 3 57.9 37.0 47.0 -4.0 564 8 75.8 28 8.5 4 0 2 8 0 19 4 73.2 50.8 61.7 0.7 189 89 87.0 9 32.5 1 0 0 0 0 19 5 77.8 59.2 68.3 -0.7 78 180 88.5 15 41.9 10 0 0 0 0 19 6 86.3 67.1 76.4 -1.6 6 349 95.0 28 54.6 13 8 0 0 0 19 7 91.3 70.4 80.6 -3.4 1 485 98.3 21 60.0 25 19 0 0 0 19 8 91.4 73.2 81.5 0.5 0 392 100.9 20 67.2 15 17 0 0 0 19 9 19 10 19 11 19 12 ------------------------------------------------------------------------------------ 71.1 51.7 61.0 -1.3 2442 1504 100.9 AUG 8.5 MAR 44 8 46 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 19 1 3.74 2.14 1.20 3 9 6 2 19 2 1.44 -0.51 0.49 11 9 4 0 19 3 2.62 -0.95 0.71 9 8 6 0 19 4 4.07 0.12 2.39 30 8 5 1 19 5 12.26 6.15 2.05 21 18 15 4 19 6 6.67 1.95 2.72 6 10 7 2 19 7 1.45 -1.51 0.51 3 6 5 0 19 8 3.01 0.16 0.66 9 7 6 0 19 9 19 10 19 11 19 12 --------------------------------------------- 35.26 7.55 2.72 JUN 75 54 9 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 19 1 5.4 40.0 18 SSE 19 2 6.1 44.0 23 NNW 19 3 6.4 49.0 13 N 19 4 6.4 49.0 10 S 19 5 4.4 38.0 8 S 19 6 4.9 38.0 21 SE 19 7 5.4 41.0 5 SE 19 8 4.7 47.0 18 SE 19 9 19 10 19 11 19 12 --------------------------------- 5.5 49.0 MAR SSE