Climatological Report (Daily)
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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CDUS42 KCHS 212114
CLICHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
514 PM EDT THU AUG 21 2025
...................................
...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 21 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 89 354 PM 100 1983 89 0 86
MINIMUM 73 647 AM 62 1961 73 0 70
AVERAGE 81 81 0 78
PRECIPITATION (IN)
TODAY 0.00 2.25 1988 0.22 -0.22 0.00
MONTH TO DATE 6.04 4.68 1.36 12.84
SINCE JUN 1 15.87 17.49 -1.62 25.11
SINCE JAN 1 29.32 33.87 -4.55 44.30
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 16 16 0 13
MONTH TO DATE 334 354 -20 366
SINCE JUN 1 1465 1330 135 1494
SINCE JAN 1 2009 1737 272 2082
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 600 AM
LOWEST 61 1100 AM
AVERAGE 78
..........................................................
THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 100 1983
MINIMUM TEMPERATURE (F) 73 63 1953
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 648 AM EDT SUNSET 758 PM EDT
AUGUST 22 2025........SUNRISE 648 AM EDT SUNSET 757 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$