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 ------------------------------------------------------------------------------------ 05 1 57.7 36.3 47.0 0.0 558 0 72.8 4 14.1 24 0 1 14 0 05 2 57.8 38.5 48.2 0.0 472 0 75.6 22 24.7 11 0 0 5 0 05 3 63.4 40.6 52.0 0.0 408 4 82.8 25 25.0 2 0 0 5 0 05 4 73.7 49.3 61.5 0.0 128 23 84.7 18 34.3 24 0 0 0 0 05 5 80.0 55.0 67.5 0.0 48 126 92.1 12 41.1 4 1 0 0 0 05 6 86.1 65.8 75.9 0.0 6 334 95.6 6 57.8 1 10 0 0 0 05 7 88.9 70.9 79.9 0.0 0 462 100.2 25 65.5 8 17 0 0 0 05 8 90.5 70.9 80.7 0.0 0 487 99.7 20 66.4 27 16 0 0 0 05 9 89.7 65.1 77.4 0.0 0 373 97.3 15 58.0 30 15 0 0 0 05 10 76.4 53.6 65.0 0.0 122 121 88.0 19 35.5 27 0 0 0 0 05 11 66.5 43.9 55.2 0.0 317 23 85.3 8 25.6 18 0 0 4 0 05 12 52.0 31.5 41.7 0.0 721 0 66.9 4 22.2 22 0 0 19 0 ------------------------------------------------------------------------------------ 73.6 51.8 62.7 0.0 2781 1953 100.2 JUL 14.1 JAN 59 1 47 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 -------------------------------------------- 05 1 1.83 0.00 1.15 13 6 5 1 05 2 6.05 0.00 1.96 21 12 10 1 05 3 5.07 0.00 1.24 31 15 7 2 05 4 3.17 0.00 0.74 1 11 6 0 05 5 1.76 0.00 0.60 15 6 5 0 05 6 5.81 0.00 1.33 21 11 8 1 05 7 12.36 0.00 3.35 11 17 15 4 05 8 3.94 0.00 1.37 29 13 8 1 05 9 0.53 0.00 0.51 26 1 1 0 05 10 2.06 0.00 0.80 6 6 3 0 05 11 3.13 0.00 1.61 21 8 5 1 05 12 2.38 0.00 0.84 15 8 5 0 -------------------------------------------- 48.09 0.00 3.35 JUL 114 78 11 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 05 1 2.1 34.0 22 WNW 05 2 2.0 30.0 10 E 05 3 2.8 41.0 12 WNW 05 4 2.1 41.0 2 W 05 5 0.6 28.0 24 W 05 6 0.2 21.0 12 ENE 05 7 0.3 28.0 11 W 05 8 0.1 34.0 30 W 05 9 0.1 18.0 25 ENE 05 10 0.4 24.0 25 W 05 11 1.2 34.0 21 W 05 12 1.9 29.0 25 W --------------------------------- 1.2 41.0 MAR W