Climatological Report (Annual)
Issued by NWS
Issued by NWS
000 CXUS52 KCHS 042100 CLACXM CLIMATE REPORT NATIONAL WEATHER SERVICE CHARLESTON SC 400 PM EST TUE JAN 04 2022 ................................... ...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1870 TO 2022 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 104 06/02/1985 06/24/1944 LOW 7 02/14/1899 HIGHEST 96 06/15 MM MM 96 LOWEST 35 02/03 MM MM 30 AVG. MAXIMUM 74.9 73.3 1.6 75.0 AVG. MINIMUM 62.9 61.1 1.8 63.1 MEAN 68.9 67.2 1.7 69.1 DAYS MAX >= 90 25 24.5 0.5 28 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 6.1 -6.1 2 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 74.87 MM MINIMUM 27.63 MM TOTALS 45.53 44.26 1.27 48.43 DAYS >= .01 107 101.9 5.1 124 DAYS >= .10 64 65.1 -1.1 67 DAYS >= .50 28 27.2 0.8 36 DAYS >= 1.00 13 12.4 0.6 15 GREATEST 24 HR. TOTAL 3.80 DEGREE DAYS HEATING TOTAL 1261 1623 -362 1142 SINCE 7/1 391 567 -176 MM COOLING TOTAL 2815 2448 367 2725 SINCE 1/1 2815 2448 367 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 6.9 HIGHEST WIND SPEED/DIRECTION 33/160 DATE 08/17 HIGHEST GUST SPEED/DIRECTION 40/350 DATE 11/06 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$