ANNUAL CLIMATOLOGICAL SUMMARY NAME: St. Helena CITY: St. Helena STATE: NC ELEV: 49 ft LAT: 34° 36' 00" N LONG: 77° 54' 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 ------------------------------------------------------------------------------------ 11 1 50.8 28.2 39.3 0.0 798 3 72.6 2 13.9 23 0 1 23 0 11 2 63.3 37.3 50.2 0.0 440 24 82.8 27 23.9 11 0 0 7 0 11 3 67.8 40.9 54.1 0.0 379 40 86.8 23 30.1 12 0 0 4 0 11 4 77.9 51.6 64.7 0.0 146 136 88.1 20 31.5 3 0 0 1 0 11 5 82.6 59.1 70.2 0.0 66 226 96.1 31 43.4 6 4 0 0 0 11 6 92.3 67.8 79.1 0.0 4 427 97.8 20 56.8 15 23 0 0 0 11 7 95.4 71.1 81.2 0.0 3 504 105.2 30 60.2 18 28 0 0 0 11 8 92.4 70.2 79.4 0.0 1 448 100.0 3 61.9 31 22 0 0 0 11 9 85.5 64.6 73.2 0.0 15 263 92.8 14 56.7 1 8 0 0 0 11 10 74.8 49.3 60.8 0.0 226 97 86.5 17 30.8 30 0 0 1 0 11 11 71.2 42.5 55.5 0.0 337 52 81.9 16 28.7 12 0 0 4 0 11 12 65.3 37.1 50.4 0.0 473 21 77.5 22 24.8 19 0 0 10 0 ------------------------------------------------------------------------------------ 76.7 51.7 63.2 0.0 2889 2240 105.2 JUL 13.9 JAN 85 1 50 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 11 1 2.16 0.00 0.77 25 10 5 0 11 2 4.61 0.00 2.00 4 10 7 1 11 3 2.86 0.00 0.98 30 10 8 0 11 4 3.69 0.00 1.67 26 9 6 1 11 5 1.36 0.00 0.43 13 8 4 0 11 6 1.07 0.00 0.58 23 6 3 0 11 7 2.61 0.00 1.49 31 8 5 1 11 8 9.48 0.00 3.18 27 12 9 3 11 9 2.88 0.00 0.62 30 12 8 0 11 10 1.66 0.00 0.77 18 7 5 0 11 11 2.92 0.00 0.93 4 6 5 0 11 12 0.62 0.00 0.44 27 3 1 0 --------------------------------------------- 35.92 0.00 3.18 AUG 101 66 6 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 11 1 1.0 31.0 26 W 11 2 2.0 31.0 5 W 11 3 1.4 27.0 6 W 11 4 2.3 36.0 5 SW 11 5 1.2 20.0 16 WSW 11 6 1.3 25.0 18 WSW 11 7 1.3 22.0 22 SW 11 8 0.9 34.0 27 SW 11 9 0.6 26.0 6 SW 11 10 0.7 24.0 20 WSW 11 11 0.9 23.0 23 SW 11 12 1.1 30.0 27 SW --------------------------------- 1.2 36.0 APR SW