ANNUAL CLIMATOLOGICAL SUMMARY 2010
NAME: Charleston CITY: STATE:
ELEV: LAT: LONG:
TEMPERATURE ¡F HEAT BASE 65.0 COOL BASE 65.0
| YR | MO | MEAN MAX | MEAN MIN | MEAN | DEP FROM NORM | HEAT DEG DAYS | COOL DEG DAYS | HI | HI DATE | LOW | LOW DATE | MAX >= 90 | MAX <= 32 | MIN <= 32 | MIN <= 0 |
| 10 | 1 | 53.3 | 5.0 | 23.1 | 0.0 | 1207.4 | 0.0 | 56.0 | 24.0 | -3.3 | 10.0 | 0.0 | 15.0 | 23.0 | 3.0 |
| 10 | 2 | 37.9 | 16.8 | 27.1 | 0.0 | 1054.2 | 0.0 | 47.6 | 20.0 | 7.0 | 11.0 | 0.0 | 12.0 | 26.0 | 0.0 |
| 10 | 3 | 64.7 | 32.7 | 46.0 | 0.0 | 591.3 | 0.0 | 77.6 | 31.0 | 21.8 | 6.0 | 0.0 | 0.0 | 9.0 | 0.0 |
| 10 | 4 | 73.4 | 47.5 | 62.0 | 0.0 | 143.4 | 52.4 | 89.7 | 13.0 | 30.7 | 9.0 | 0.0 | 0.0 | 1.0 | 0.0 |
| 10 | 5 | 81.8 | 49.2 | 67.5 | 0.0 | 77.1 | 171.4 | 94.3 | 30.0 | 36.8 | 9.0 | 7.0 | 0.0 | 0.0 | 0.0 |
| 10 | 6 | 85.1 | 69.1 | 78.6 | 0.0 | 0.0 | 438.2 | 101.0 | 26.0 | 58.4 | 30.0 | 17.0 | 0.0 | 0.0 | 0.0 |
| 10 | 7 | 88.1 | 69.4 | 81.1 | 0.0 | 0.0 | 536.5 | 99.9 | 15.0 | 55.1 | 2.0 | 26.0 | 0.0 | 0.0 | 0.0 |
| 10 | 8 | 93.8 | 75.0 | 84.6 | 0.0 | 0.0 | 583.1 | 104.1 | 4.0 | 61.5 | 7.0 | 22.0 | 0.0 | 0.0 | 0.0 |
| 10 | 9 | 86.7 | 76.7 | 80.9 | 0.0 | 0.0 | 45.9 | 90.1 | 2.0 | 71.1 | 3.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| 10 | 10 |
| 10 | 11 |
| 10 | 12 |
| AVG | | 73.9 | 49.0 | 61.2 | 0.0 | 3073.5 | 1827.5 | 104.1 | AUG | -3.3 | JAN | 73.0 | 27.0 | 59.0 | 3.0 |
PRECIPITATION in| YR | MO | TOTAL | DEP FROM NORM | MAX OBS DAY | DATE | .01 | .1 | 1 |
| 10 | 1 | 0.64 | 0.0 | 0.22 | 23.0 | 5.0 | 3.0 | 0.0 |
| 10 | 2 | 0.74 | 0.0 | 0.23 | 5.0 | 7.0 | 3.0 | 0.0 |
| 10 | 3 | 1.91 | 0.0 | 0.49 | 25.0 | 8.0 | 6.0 | 0.0 |
| 10 | 4 | 2.82 | 0.0 | 0.91 | 25.0 | 9.0 | 6.0 | 0.0 |
| 10 | 5 | 2.78 | 0.0 | 0.65 | 1.0 | 16.0 | 10.0 | 0.0 |
| 10 | 6 | 9.05 | 0.0 | 1.57 | 14.0 | 13.0 | 13.0 | 3.0 |
| 10 | 7 | 6.73 | 0.0 | 2.36 | 15.0 | 11.0 | 7.0 | 2.0 |
| 10 | 8 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| 10 | 9 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| 10 | 10 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| 10 | 11 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| 10 | 12 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| AVG | | 24.67 | 0.0 | 2.36 | JUL | 69.0 | 48.0 | 5.0 |
WIND SPEED MPH| YR | MO | AVG | HI | DATE | DOM DIR |
| 10 | 1 | 4.4 | 29.0 | 24.0 | SSW |
| 10 | 2 | 3.5 | 28.0 | 6.0 | WNW |
| 10 | 3 | 3.3 | 38.0 | 25.0 | N |
| 10 | 4 | 4.0 | 36.0 | 29.0 | SSW |
| 10 | 5 | 2.1 | 32.0 | 8.0 | NE |
| 10 | 6 | 1.5 | 32.0 | 27.0 | SSW |
| 10 | 7 | 1.2 | 46.0 | 19.0 | SSW |
| 10 | 8 | 1.0 | 20.0 | 25.0 | SSW |
| 10 | 9 | 0.2 | 22.0 | 2.0 | SSW |
| 10 | 10 | 0.0 | 0.0 | 0.0 | ------- |
| 10 | 11 | 0.0 | 0.0 | 0.0 | ------- |
| 10 | 12 | 0.0 | 0.0 | 0.0 | ------- |
| AVG | | 1.8 | 46.0 | JUL | SSW |