Climatological Report (Monthly)
Issued by NWS
Issued by NWS
178
CXUS52 KCHS 012134
CLMCXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
429 PM EST WED JAN 01 2025
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...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 81 12/07/1998
12/19/1967
12/09/1943
LOW 12 12/30/1917
HIGHEST 70 12/10 74 12/10
12/16
LOWEST 34 12/06 36 12/20
AVG. MAXIMUM 59.5 60.9 -1.4 61.5
AVG. MINIMUM 46.4 46.8 -0.4 49.6
MEAN 52.9 53.8 -0.9 55.5
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 1.2 -1.2 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.56 1941
MINIMUM 0.19 1919
TOTALS 2.07 2.91 -0.84 7.28
DAYS >= .01 8 8.5 -0.5 8
DAYS >= .10 5 4.8 0.2 6
DAYS >= .50 1 1.8 -0.8 3
DAYS >= 1.00 0 0.6 -0.6 3
GREATEST
24 HR. TOTAL 0.94 12/29 TO 12/29
DEGREE DAYS
HEATING TOTAL 367 353 14 292
SINCE 7/1 473 567 -94 MM
COOLING TOTAL 1 7 -6 7
SINCE 1/1 2706 2448 258 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.7
HIGHEST WIND SPEED/DIRECTION 26/060
HIGHEST GUST SPEED/DIRECTION 35/210
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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