892
CDUS42 KCHS 210618
CLICHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
218 AM EDT THU MAY 21 2026
...............................
..THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR MAY 20 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 238 PM 97 1938 84 4 95
MINIMUM 63 511 AM 47 2002 64 -1 72
AVERAGE 76 74 2 84
PRECIPITATION (IN)
YESTERDAY 0.00 1.16 1953 0.10 -0.10 0.00
MONTH TO DATE 1.53 1.84 -0.31 4.57
SINCE MAR 1 2.14 8.48 -6.34 7.68
SINCE JAN 1 7.09 14.90 -7.81 10.63
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 16 5 11 0
SINCE MAR 1 175 307 -132 180
SINCE JUL 1 1795 1842 -47 1713
COOLING
YESTERDAY 11 9 2 19
MONTH TO DATE 128 149 -21 212
SINCE MAR 1 363 279 84 402
SINCE JAN 1 384 290 94 418
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 40 400 PM
AVERAGE 70
......................................................
THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 1938
MINIMUM TEMPERATURE (F) 64 45 2002
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 617 AM EDT SUNSET 817 PM EDT
MAY 22 2026...........SUNRISE 617 AM EDT SUNSET 817 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page