Climatological Report (Daily)
Issued by NWS
Issued by NWS
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878
CDUS42 KCHS 212108
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
508 PM EDT MON SEP 21 2026
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 21 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 85 1030 AM 93 1925 82 3 82
MINIMUM 77 610 AM 54 1918 72 5 70
AVERAGE 81 77 4 76
PRECIPITATION (IN)
TODAY 0.00 8.50 1998 0.16 -0.16 0.00
MONTH TO DATE 0.18 3.76 -3.58 0.94
SINCE SEP 1 0.18 3.76 -3.58 0.94
SINCE JAN 1 18.33 33.49 -15.16 34.83
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 16 12 4 11
MONTH TO DATE 361 283 78 238
SINCE SEP 1 361 283 78 238
SINCE JAN 1 2525 2144 381 2333
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 7.6
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 92 1925
MINIMUM TEMPERATURE (F) 71 53 1913
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 707 AM EDT SUNSET 718 PM EDT
SEPTEMBER 22 2026.....SUNRISE 708 AM EDT SUNSET 716 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$