ANNUAL CLIMATOLOGICAL SUMMARY NAME: Dean CITY: 6 miles N, 2 miles E of Valier STATE: Montana ELEV: 3667 ft LAT: 48° 24' 00" N LONG: 112° 12' 00" 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 40.7 16.5 28.1 0.0 735 0 58.3 29 -9.6 9 0 2 20 2 08 3 43.9 19.1 32.1 0.0 1014 0 60.1 10 -2.4 30 0 3 30 1 08 4 50.2 22.8 37.1 0.0 843 6 76.8 13 -3.9 21 0 3 26 1 08 5 62.0 38.6 50.9 0.0 468 30 87.0 17 21.0 10 0 0 6 0 08 6 69.8 41.9 56.7 0.0 311 61 93.2 30 33.2 11 2 0 0 0 08 7 80.5 46.8 64.4 0.0 173 154 92.9 21 36.2 12 2 0 0 0 08 8 80.8 45.3 63.6 0.0 170 148 95.4 18 36.0 23 8 0 0 0 08 9 08 10 08 11 08 12 ------------------------------------------------------------------------------------ 61.9 33.6 48.3 0.0 3715 399 95.4 AUG -9.6 FEB 12 8 82 4 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 08 1 08 2 0.05 0.00 0.04 25 1 0 0 08 3 0.01 0.00 0.01 16 0 0 0 08 4 0.13 0.00 0.07 23 2 0 0 08 5 3.57 0.00 1.01 23 11 8 1 08 6 2.46 0.00 0.85 11 8 6 0 08 7 0.65 0.00 0.30 4 5 2 0 08 8 0.47 0.00 0.18 9 4 2 0 08 9 08 10 08 11 08 12 --------------------------------------------- 7.34 0.00 1.01 MAY 31 18 1 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 08 1 08 2 6.7 49.0 13 W 08 3 8.5 56.0 24 W 08 4 9.2 42.0 17 WNW 08 5 8.3 45.0 18 W 08 6 6.8 39.0 6 W 08 7 4.6 34.0 30 WNW 08 8 5.4 42.0 27 W 08 9 08 10 08 11 08 12 --------------------------------- 7.1 56.0 MAR W