Climatological Report (Annual)
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
000 CXUS52 KCHS 031410 CLACHS CLIMATE REPORT NATIONAL WEATHER SERVICE CHARLESTON SC 902 AM EST SUN JAN 03 2021 ................................... ...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1938 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 105 08/01/1999 LOW 6 01/21/1985 HIGHEST 97 08/01 101 05/29 05/28 LOWEST 23 12/26 27 01/30 AVG. MAXIMUM 77.6 76.2 1.4 78.1 AVG. MINIMUM 58.7 55.6 3.1 58.0 MEAN 68.1 65.9 2.2 68.0 DAYS MAX >= 90 72 55.2 16.8 82 DAYS MAX <= 32 0 0.4 -0.4 0 DAYS MIN <= 32 16 24.4 -8.4 15 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 74.89 2015 MINIMUM 30.31 1954 TOTALS 53.74 51.03 2.71 49.45 DAILY AVG. 0.15 0.14 0.01 0.13 DAYS >= .01 122 112.7 9.3 102 DAYS >= .10 79 74.4 4.6 65 DAYS >= .50 34 33.4 0.6 31 DAYS >= 1.00 18 14.8 3.2 15 GREATEST 24 HR. TOTAL 3.26 09/16 TO 09/17 SNOWFALL (INCHES) TOTALS T 0.5 -0.5 0.0 SINCE 7/1 T 0.3 -0.3 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 1 0.5 0.5 0 DAYS >= 1.0 0 0.1 -0.1 0 DEGREE DAYS HEATING TOTAL 1433 1977 -544 1566 SINCE 7/1 576 739 -163 641 COOLING TOTAL 2676 2304 372 2776 SINCE 1/1 2676 2304 372 2776 ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.8 HIGHEST WIND SPEED/DIRECTION 44/180 DATE 11/30 HIGHEST GUST SPEED/DIRECTION 55/180 DATE 11/30 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 78 MIXED PRECIP 0 HEAVY RAIN 60 RAIN 67 LIGHT RAIN 171 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 1 SLEET 0 FOG 172 FOG W/VIS <= 1/4 MILE 13 HAZE 25 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && 2020 BECOMES THE 4TH WARMEST YEAR ON RECORD AT THE CHARLESTON INTERNATIONAL AIRPORT. $$