504
CDUS42 KCHS 100609
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
209 AM EDT SUN MAY 10 2026
...............................
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 9 2026
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)
YESTERDAY
MAXIMUM 78 140 PM 93 1936 78 0 79
MINIMUM 67 340 AM 49 1917 66 1 66
1928
AVERAGE 73 72 1 73
PRECIPITATION (IN)
YESTERDAY 0.00 1.64 1979 0.08 -0.08 0.09
MONTH TO DATE 1.06 0.67 0.39 1.08
SINCE MAR 1 1.77 6.66 -4.89 4.11
SINCE JAN 1 5.50 11.78 -6.28 6.78
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 9 0 9 0
SINCE MAR 1 171 275 -104 172
SINCE JUL 1 1569 1619 -50 1512
COOLING
YESTERDAY 8 7 1 8
MONTH TO DATE 37 58 -21 75
SINCE MAR 1 228 171 57 240
SINCE JAN 1 233 176 57 248
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.5
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THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 1926
1963
MINIMUM TEMPERATURE (F) 67 47 1906
SUNRISE AND SUNSET
MAY 10 2026...........SUNRISE 625 AM EDT SUNSET 808 PM EDT
MAY 11 2026...........SUNRISE 624 AM EDT SUNSET 809 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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