ANNUAL CLIMATOLOGICAL SUMMARY NAME: BLACKJACK MOUNTAIN CITY: MARIETTA (EAST COBB) STATE: GEORGIA ELEV: 1160 ft LAT: 33° 58' 44" N LONG: 84° 30' 36" 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 ------------------------------------------------------------------------------------ 03 1 49.4 29.3 38.2 0.0 795 0 68.4 9 6.1 24 0 1 20 0 03 2 55.3 35.8 44.3 0.0 545 0 74.9 22 22.9 8 0 0 10 0 03 3 66.0 45.6 55.0 0.0 291 5 81.2 13 29.4 31 0 0 2 0 03 4 74.0 51.2 61.5 0.0 112 40 87.4 14 38.9 10 0 0 0 0 03 5 78.4 59.6 67.6 0.0 16 140 87.6 31 49.6 13 0 0 0 0 03 6 85.8 64.1 73.0 0.0 0 298 94.0 24 52.9 21 4 0 0 0 03 7 88.5 68.5 76.4 0.0 0 418 93.4 8 60.2 24 13 0 0 0 03 8 90.1 70.0 77.6 0.0 0 467 97.1 24 65.2 9 16 0 0 0 03 9 84.5 61.4 71.0 0.0 15 254 92.5 3 43.2 30 4 0 0 0 03 10 74.5 51.5 61.2 0.0 96 33 83.8 21 41.3 28 0 0 0 0 03 11 69.4 45.6 56.2 0.0 259 34 87.0 2 25.4 25 0 0 5 0 03 12 53.4 31.7 41.2 0.0 697 0 66.1 23 22.4 21 0 0 18 0 ------------------------------------------------------------------------------------ 72.5 51.3 60.3 0.0 2825 1689 97.1 AUG 6.1 JAN 37 1 55 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 -------------------------------------------- 03 1 1.74 0.00 0.69 29 8 5 0 03 2 3.18 0.00 0.69 22 11 9 0 03 3 3.60 0.00 1.28 6 10 6 2 03 4 3.75 0.00 1.83 25 11 9 1 03 5 8.00 0.00 1.87 6 13 11 3 03 6 7.28 0.00 1.67 18 14 11 3 03 7 8.07 0.00 2.84 1 12 11 2 03 8 2.84 0.00 1.09 3 11 6 1 03 9 2.48 0.00 2.07 22 4 2 1 03 10 2.03 0.00 1.09 26 5 2 1 03 11 4.66 0.00 1.03 27 10 7 1 03 12 2.53 0.00 0.86 10 11 6 0 -------------------------------------------- 50.16 0.00 2.84 JUL 120 85 15 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 03 1 3.7 30.0 23 WNW 03 2 3.7 40.0 22 WNW 03 3 3.0 46.0 6 E 03 4 1.7 30.0 16 E 03 5 1.5 32.0 31 W 03 6 0.9 32.0 11 W 03 7 1.0 42.0 22 W 03 8 0.3 22.0 28 W 03 9 0.5 21.0 28 E 03 10 0.7 26.0 14 W 03 11 1.5 36.0 28 W 03 12 2.9 45.0 18 WNW --------------------------------- 1.8 46.0 MAR W