638
CDUS42 KCHS 210610
CLICHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
210 AM EDT TUE OCT 21 2025
...............................
..THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR OCTOBER 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 72 323 PM 87 1950 77 -5 77
MINIMUM 48 614 AM 34 1981 56 -8 50
AVERAGE 60 66 -6 64
PRECIPITATION (IN)
YESTERDAY 0.00 2.75 1970 0.12 -0.12 0.00
MONTH TO DATE 3.70 3.24 0.46 0.03
SINCE SEP 1 4.68 9.25 -4.57 3.56
SINCE JAN 1 39.64 45.41 -5.77 47.86
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0
DEGREE DAYS
HEATING
YESTERDAY 5 2 3 1
MONTH TO DATE 14 21 -7 44
SINCE SEP 1 14 23 -9 44
SINCE JUL 1 14 23 -9 44
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 94 114 -20 93
SINCE SEP 1 431 471 -40 460
SINCE JAN 1 2564 2364 200 2695
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 100 AM
LOWEST 29 300 PM
AVERAGE 58
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THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 88 1993
MINIMUM TEMPERATURE (F) 56 37 1952
1967
1974
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 729 AM EDT SUNSET 640 PM EDT
OCTOBER 22 2025.......SUNRISE 730 AM EDT SUNSET 639 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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