Climatological Report (Annual)
Issued by NWS
Issued by NWS
000 CXUS52 KCHS 031414 CLACXM CLIMATE REPORT NATIONAL WEATHER SERVICE CHARLESTON SC 902 AM EST SUN JAN 03 2021 ................................... ...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1870 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 104 06/24/1944 LOW 7 02/14/1899 HIGHEST 96 09/04 100 LOWEST 30 12/26 33 AVG. MAXIMUM 75.0 72.9 2.1 74.5 AVG. MINIMUM 63.1 60.6 2.6 63.0 MEAN 69.1 66.7 2.4 68.7 DAYS MAX >= 90 28 27.0 1.0 27 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 2 7.0 -5.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 74.87 1945 MINIMUM 27.63 2000 TOTALS 48.43 44.42 4.01 40.78 DAYS >= .01 124 101.0 23.0 99 DAYS >= .10 67 65.0 2.0 61 DAYS >= .50 36 27.0 9.0 22 DAYS >= 1.00 15 12.0 3.0 11 GREATEST 24 HR. TOTAL 3.34 DEGREE DAYS HEATING TOTAL 1142 1733 -591 1310 SINCE 7/1 417 605 -188 517 COOLING TOTAL 2725 2376 349 2792 SINCE 1/1 2725 2376 349 2792 .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.4 HIGHEST WIND SPEED/DIRECTION 32/040 DATE 08/03 HIGHEST GUST SPEED/DIRECTION 39/050 DATE 08/03 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && 2020 TIES THE 2ND WARMEST YEAR ON RECORD IN DOWNTOWN CHARLESTON. $$