Climatological Report (Daily)
Issued by NWS
Issued by NWS
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392
CDUS42 KCHS 210606
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
206 AM EDT TUE JUL 21 2026
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR JULY 20 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 1050 AM 100 2000 88 0 95
MINIMUM 83 400 AM 66 1910 77 6 82
AVERAGE 86 83 3 89
PRECIPITATION (IN)
YESTERDAY 0.00 2.34 2001 0.17 -0.17 0.00
MONTH TO DATE 2.97 3.19 -0.22 2.17
SINCE JUN 1 5.38 8.04 -2.66 4.02
SINCE JAN 1 12.04 21.73 -9.69 15.73
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 21 18 3 24
MONTH TO DATE 397 345 52 366
SINCE JUN 1 874 773 101 869
SINCE JAN 1 1358 1160 198 1384
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 10.4
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 102 1977
MINIMUM TEMPERATURE (F) 77 65 1929
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 626 AM EDT SUNSET 826 PM EDT
JULY 22 2026..........SUNRISE 627 AM EDT SUNSET 825 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$