822
CDUS42 KCHS 180616
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
216 AM EDT MON AUG 18 2025
...............................
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 17 2025
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)
YESTERDAY
MAXIMUM 84 110 PM 100 1954 86 -2 88
MINIMUM 78 520 AM 70 1972 77 1 77
1976
1979
AVERAGE 81 82 -1 83
PRECIPITATION (IN)
YESTERDAY 0.02 5.57 1945 0.21 -0.19 0.00
MONTH TO DATE 5.20 3.23 1.97 10.17
SINCE JUN 1 11.60 13.16 -1.56 19.84
SINCE JAN 1 23.31 26.85 -3.54 40.19
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 16 16 0 18
MONTH TO DATE 268 287 -19 293
SINCE JUN 1 1371 1251 120 1356
SINCE JAN 1 1886 1638 248 1840
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.6
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THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 97 1944
1995
MINIMUM TEMPERATURE (F) 77 67 1979
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 645 AM EDT SUNSET 801 PM EDT
AUGUST 19 2025........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.
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