Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KCHS 212117
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
517 PM EDT MON JUL 21 2025
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR JULY 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 94 120 PM 102 1977 88 6 88
MINIMUM 79 230 PM 65 1929 77 2 75
AVERAGE 87 83 4 82
PRECIPITATION (IN)
TODAY 1.32 3.68 1939 0.17 1.15 0.00
MONTH TO DATE 3.49 3.36 0.13 4.68
SINCE JUN 1 5.34 8.21 -2.87 6.84
SINCE JAN 1 17.05 21.90 -4.85 27.19
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 22 18 4 17
MONTH TO DATE 388 363 25 403
SINCE JUN 1 891 791 100 886
SINCE JAN 1 1406 1178 228 1370
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 19 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 7.0
..........................................................
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 2025..........SUNRISE 626 AM EDT SUNSET 826 PM EDT
JULY 22 2025..........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.
$$