Climatological Report (Monthly)
Issued by NWS
Issued by NWS
530
CXUS52 KCHS 022031
CLMCXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
422 PM EDT WED OCT 02 2024
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...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 100 09/05/1944
09/04/1944
09/02/1912
LOW 50 09/30/1967
09/29/1942
HIGHEST 86 09/01 93 09/06
09/02
LOWEST 66 09/17 65 09/28
AVG. MAXIMUM 81.9 82.6 -0.7 82.7
AVG. MINIMUM 73.3 72.5 0.8 71.9
MEAN 77.6 77.6 0.0 77.3
DAYS MAX >= 90 0 1.7 -1.7 3
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 16.24 1945
MINIMUM 0.40 1901
TOTALS 4.47 5.25 -0.78 5.74
DAYS >= .01 8 8.6 -0.6 10
DAYS >= .10 4 5.8 -1.8 7
DAYS >= .50 3 2.8 0.2 4
DAYS >= 1.00 2 1.4 0.6 1
GREATEST
24 HR. TOTAL 1.94 09/26
DEGREE DAYS
HEATING TOTAL 0 1 -1 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 386 377 9 380
SINCE 1/1 2442 2238 204 MM
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WIND (MPH)
AVERAGE WIND SPEED 11.0
HIGHEST WIND SPEED/DIRECTION 44/140
HIGHEST GUST SPEED/DIRECTION 63/170
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
RECORDS ESTABLISHED IN DOWNTOWN CHARLESTON DURING THE MONTH:
*SEP 25 - RECORD HIGH MINIMUM TEMPERATURE OF 79 DEGREES
*SEP 30 - RECORD HIGH MINIMUM TEMPERATURE OF 78 DEGREES
$$