Climatological Report (Daily)
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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CDUS42 KCHS 210615
CLICHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
215 AM EDT THU AUG 21 2025
...................................
...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 20 2025...
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)
YESTERDAY
MAXIMUM 87 109 PM 97 1954 90 -3 90
1979
2005
MINIMUM 74 630 AM 63 1943 73 1 73
AVERAGE 81 81 0 82
PRECIPITATION (IN)
YESTERDAY 0.00 3.91 1940 0.22 -0.22 0.00
MONTH TO DATE 6.04 4.46 1.58 12.84
SINCE JUN 1 15.87 17.27 -1.40 25.11
SINCE JAN 1 29.32 33.65 -4.33 44.30
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 17
MONTH TO DATE 318 338 -20 353
SINCE JUN 1 1449 1314 135 1481
SINCE JAN 1 1993 1721 272 2069
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 61 100 PM
AVERAGE 79
..........................................................
THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 100 1983
MINIMUM TEMPERATURE (F) 73 62 1961
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.
$$