Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KCHS 212114
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
514 PM EDT THU AUG 21 2025
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 21 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 88 210 PM 99 1900 86 2 82
MINIMUM 76 440 AM 66 1930 76 0 74
1961
AVERAGE 82 81 1 78
PRECIPITATION (IN)
TODAY 0.00 2.56 1941 0.19 -0.19 0.00
MONTH TO DATE 5.20 4.01 1.19 10.71
SINCE JUN 1 11.60 13.94 -2.34 20.38
SINCE JAN 1 23.31 27.63 -4.32 40.73
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 17 16 1 13
MONTH TO DATE 336 351 -15 356
SINCE JUN 1 1439 1315 124 1419
SINCE JAN 1 1954 1702 252 1903
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 11 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.9
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 98 1983
MINIMUM TEMPERATURE (F) 76 65 1930
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 647 AM EDT SUNSET 758 PM EDT
AUGUST 22 2025........SUNRISE 648 AM EDT SUNSET 756 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$