Climatological Report (Daily)
Issued by NWS
Issued by NWS
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208
CDUS42 KCHS 220609
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
209 AM EDT FRI AUG 22 2025
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 21 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 90 440 PM 99 1900 86 4 82
MINIMUM 76 440 AM 66 1930 76 0 74
1961
AVERAGE 83 81 2 78
PRECIPITATION (IN)
YESTERDAY 0.00 2.56 1941 0.19 -0.19 0.00
MONTH TO DATE 5.20 4.01 1.19 10.71
SINCE JUN 1 11.60 13.94 -2.34 20.38
SINCE JAN 1 23.31 27.63 -4.32 40.73
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 18 16 2 13
MONTH TO DATE 337 351 -14 356
SINCE JUN 1 1440 1315 125 1419
SINCE JAN 1 1955 1702 253 1903
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 11 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.1
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 98 1983
MINIMUM TEMPERATURE (F) 76 65 1930
SUNRISE AND SUNSET
AUGUST 22 2025........SUNRISE 648 AM EDT SUNSET 756 PM EDT
AUGUST 23 2025........SUNRISE 649 AM EDT SUNSET 755 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$