577
CDUS42 KCHS 170621
CLICHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
221 AM EDT SUN AUG 17 2025
...............................
..THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 16 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 88 1016 AM 99 1954 90 -2 89
MINIMUM 74 144 PM 65 1967 73 1 68
AVERAGE 81 82 -1 79
PRECIPITATION (IN)
YESTERDAY 1.08 4.69 1974 0.23 0.85 0.00
MONTH TO DATE 5.28 3.56 1.72 12.84
SINCE JUN 1 15.11 16.37 -1.26 25.11
SINCE JAN 1 28.56 32.75 -4.19 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 17 -1 14
MONTH TO DATE 252 274 -22 282
SINCE JUN 1 1383 1250 133 1410
SINCE JAN 1 1927 1657 270 1998
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 AM
LOWEST 77 1000 AM
AVERAGE 87
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THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 102 1954
MINIMUM TEMPERATURE (F) 73 62 1979
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 645 AM EDT SUNSET 803 PM EDT
AUGUST 18 2025........SUNRISE 646 AM EDT SUNSET 802 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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