Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KCHS 212109
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
509 PM EDT TUE JUL 21 2026
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR JULY 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 88 1100 AM 102 1977 88 0 94
MINIMUM 84 450 AM 65 1929 77 7 79
AVERAGE 86 83 3 87
PRECIPITATION (IN)
TODAY 0.00 3.68 1939 0.17 -0.17 1.33
MONTH TO DATE 2.97 3.36 -0.39 3.50
SINCE JUN 1 5.38 8.21 -2.83 5.35
SINCE JAN 1 12.04 21.90 -9.86 17.06
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 21 18 3 22
MONTH TO DATE 418 363 55 388
SINCE JUN 1 895 791 104 891
SINCE JAN 1 1379 1178 201 1406
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 13.8
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 103 1977
MINIMUM TEMPERATURE (F) 77 63 1929
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 626 AM EDT SUNSET 826 PM EDT
JULY 22 2026..........SUNRISE 627 AM EDT SUNSET 825 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$