Climatological Report (Daily)
Issued by NWS
Issued by NWS
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066
CDUS42 KCHS 182111
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
511 PM EDT TUE AUG 18 2026
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 18 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 97R 220 PM 97 1944 86 11 88
1995
MINIMUM 83 540 AM 67 1979 77 6 76
AVERAGE 90 81 9 82
PRECIPITATION (IN)
TODAY 0.00 6.08 1935 0.19 -0.19 0.00
MONTH TO DATE 1.96 3.42 -1.46 5.20
SINCE JUN 1 8.69 13.35 -4.66 11.60
SINCE JAN 1 15.35 27.04 -11.69 23.31
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 25 16 9 17
MONTH TO DATE 351 303 48 285
SINCE JUN 1 1444 1267 177 1388
SINCE JAN 1 1928 1654 274 1903
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 11 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.7
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 98 1895
MINIMUM TEMPERATURE (F) 76 67 1976
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 645 AM EDT SUNSET 801 PM EDT
AUGUST 19 2026........SUNRISE 646 AM EDT SUNSET 800 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$