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 ------------------------------------------------------------------------------------ 08 1 47.8 26.5 36.8 0.8 879 5 73.8 7 9.8 24 0 3 26 0 08 2 50.3 28.0 38.4 -3.6 778 6 79.7 4 12.4 1 0 3 23 0 08 3 62.1 38.2 49.9 -1.1 490 24 85.8 27 18.2 8 0 0 9 0 08 4 68.9 46.3 57.3 -3.7 282 51 80.6 20 29.3 14 0 0 1 0 08 5 79.1 59.2 68.8 -0.2 75 192 91.2 19 38.4 4 1 0 0 0 08 6 85.7 67.7 76.9 -1.1 4 362 93.1 22 57.8 10 4 0 0 0 08 7 91.2 71.3 81.3 -2.7 1 506 96.9 26 60.0 14 22 0 0 0 08 8 87.2 69.8 77.8 -3.2 1 399 101.7 3 61.5 26 8 0 0 0 08 9 80.4 58.6 68.9 -5.1 61 179 89.7 1 45.2 16 0 0 0 0 08 10 72.4 47.4 59.3 -3.7 245 70 84.3 1 25.3 28 0 0 2 0 08 11 60.4 37.5 48.4 -1.6 517 19 78.7 1 20.6 21 0 0 9 0 08 12 49.9 25.9 37.3 -2.7 863 6 75.2 26 7.6 22 0 5 26 0 ------------------------------------------------------------------------------------ 69.7 48.1 58.5 -2.3 4197 1818 101.7 AUG 7.6 DEC 35 11 96 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 08 1 0.83 -0.77 0.55 8 4 2 0 08 2 2.06 0.11 1.07 16 5 2 1 08 3 4.60 1.03 2.62 18 7 6 1 08 4 6.99 3.04 1.88 8 8 5 4 08 5 7.43 1.32 3.61 7 10 7 3 08 6 11.27 6.55 3.41 9 13 11 3 08 7 5.50 2.54 2.44 9 7 6 3 08 8 3.78 0.93 2.26 10 8 3 2 08 9 4.74 -0.02 2.21 13 9 7 2 08 10 2.63 -1.42 2.11 22 4 4 1 08 11 2.89 -0.58 2.01 5 4 3 1 08 12 2.37 -0.06 1.32 27 5 2 1 --------------------------------------------- 55.09 12.67 3.61 MAY 84 58 22 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 08 1 7.9 42.0 29 S 08 2 7.3 41.0 14 N 08 3 8.8 39.0 2 S 08 4 9.0 43.0 8 S 08 5 7.5 46.0 2 S 08 6 6.8 43.0 5 S 08 7 4.6 28.0 8 SSE 08 8 3.7 27.0 10 ENE 08 9 4.1 35.0 3 SE 08 10 5.2 32.0 23 SE 08 11 6.2 40.0 5 SSE 08 12 7.8 43.0 13 S --------------------------------- 6.6 46.0 MAY S