ANNUAL CLIMATOLOGICAL SUMMARY NAME: Ptarmigan CITY: Grand Junction STATE: Colorado ELEV: 4731 ft LAT: 39° 02' 18" N LONG: 108° 28' 41" 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 08 2 08 3 08 4 68.8 40.2 54.9 0.0 204 24 81.3 29 27.8 25 0 0 2 0 08 5 73.7 46.3 60.0 0.0 248 93 91.7 20 30.5 2 1 0 2 0 08 6 86.4 58.4 72.8 0.0 64 296 96.3 22 45.1 12 16 0 0 0 08 7 94.0 66.9 80.2 0.0 0 472 100.3 19 62.0 8 29 0 0 0 08 8 90.1 64.4 76.8 0.0 10 376 101.8 1 51.9 17 19 0 0 0 08 9 81.8 54.2 67.3 0.0 83 153 88.2 8 46.7 12 0 0 0 0 08 10 68.8 42.9 54.9 0.0 348 35 84.8 1 24.6 13 0 0 4 0 08 11 55.2 32.6 43.0 0.0 663 2 74.9 2 21.0 6 0 0 15 0 08 12 43.2 25.3 33.2 0.0 498 0 55.0 1 12.5 15 0 3 16 0 ------------------------------------------------------------------------------------ 75.5 49.6 62.1 0.0 2118 1450 101.8 AUG 12.5 DEC 65 3 39 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 08 1 08 2 08 3 08 4 0.00 0.00 0.00 1 0 0 0 08 5 0.60 0.00 0.24 12 5 2 0 08 6 0.45 0.00 0.27 5 2 2 0 08 7 0.15 0.00 0.12 27 2 1 0 08 8 1.24 0.00 0.51 8 5 3 0 08 9 0.27 0.00 0.22 10 2 1 0 08 10 0.46 0.00 0.39 5 2 1 0 08 11 1.04 0.00 0.76 27 3 2 0 08 12 0.19 0.00 0.10 16 3 0 0 --------------------------------------------- 4.40 0.00 0.76 NOV 24 12 0 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 08 1 08 2 08 3 08 4 5.5 47.0 15 SE 08 5 4.1 44.0 21 SE 08 6 3.3 37.0 10 SE 08 7 2.8 28.0 7 SE 08 8 2.4 38.0 2 SE 08 9 2.7 36.0 10 SE 08 10 2.8 40.0 11 SE 08 11 2.0 32.0 4 SE 08 12 2.1 46.0 13 SE --------------------------------- 3.0 47.0 APR SE