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 ------------------------------------------------------------------------------------ 04 1 52.5 31.2 41.8 0.0 719 0 69.9 4 15.9 7 0 0 20 0 04 2 51.2 34.1 42.6 0.0 649 0 67.1 19 23.2 8 0 0 12 0 04 3 70.5 46.4 58.4 0.0 221 18 83.8 28 28.2 22 0 0 4 0 04 4 75.4 49.7 62.6 0.0 137 64 87.4 24 35.5 1 0 0 0 0 04 5 84.7 62.3 73.5 0.0 25 289 95.4 8 39.6 4 7 0 0 0 04 6 86.0 67.4 76.7 0.0 0 350 97.3 12 58.6 5 7 0 0 0 04 7 90.7 68.9 79.8 0.0 0 458 97.8 24 63.2 16 17 0 0 0 04 8 88.1 66.4 77.2 0.0 0 379 96.6 1 53.5 14 10 0 0 0 04 9 80.1 63.2 71.6 0.0 0 200 90.1 23 51.9 19 1 0 0 0 04 10 75.8 57.9 66.8 0.0 39 96 86.1 5 44.1 15 0 0 0 0 04 11 64.9 47.0 56.0 0.0 291 20 80.9 1 30.9 26 0 0 1 0 04 12 55.7 32.9 44.3 0.0 642 0 71.6 8 14.4 20 0 0 17 0 ------------------------------------------------------------------------------------ 73.0 52.3 62.7 0.0 2723 1872 97.8 JUL 14.4 DEC 42 0 54 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 -------------------------------------------- 04 1 2.42 0.00 1.55 25 6 4 1 04 2 3.48 0.00 0.96 6 13 8 0 04 3 1.23 0.00 0.47 6 6 3 0 04 4 1.25 0.00 0.36 26 6 5 0 04 5 5.68 0.00 1.97 10 13 10 1 04 6 7.76 0.00 1.93 13 16 10 2 04 7 4.56 0.00 1.63 25 10 9 2 04 8 7.31 0.00 2.09 29 7 7 3 04 9 8.53 0.00 3.71 16 7 5 3 04 10 1.91 0.00 1.57 19 8 2 1 04 11 6.45 0.00 2.01 23 12 9 1 04 12 4.28 0.00 1.37 9 8 8 1 -------------------------------------------- 54.86 0.00 3.71 SEP 112 80 15 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 04 1 2.7 31.0 27 WNW 04 2 2.6 31.0 5 E 04 3 2.8 37.0 6 WNW 04 4 1.7 29.0 13 W 04 5 0.9 26.0 12 W 04 6 0.5 29.0 23 W 04 7 0.4 21.0 6 W 04 8 0.2 31.0 20 W 04 9 0.8 38.0 16 ENE 04 10 0.7 28.0 14 W 04 11 1.0 40.0 24 E 04 12 1.9 37.0 10 WNW --------------------------------- 1.4 40.0 NOV W