Climatological Report (Annual) Issued by NWS
247
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
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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.
$$