Climatological Report (Daily)
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066
CDUS42 KCHS 182111
CLICXM

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
511 PM EDT TUE AUG 18 2026

...................................

...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         97R   220 PM  97    1944  86     11       88
                                      1995
  MINIMUM         83    540 AM  67    1979  77      6       76
  AVERAGE         90                        81      9       82

PRECIPITATION (IN)
  TODAY            0.00          6.08 1935   0.19  -0.19     0.00
  MONTH TO DATE    1.96                      3.42  -1.46     5.20
  SINCE JUN 1      8.69                     13.35  -4.66    11.60
  SINCE JAN 1     15.35                     27.04 -11.69    23.31

DEGREE DAYS
 HEATING
  TODAY            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
  TODAY           25                        16      9       17
  MONTH TO DATE  351                       303     48      285
  SINCE JUN 1   1444                      1267    177     1388
  SINCE JAN 1   1928                      1654    274     1903
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    11   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     6.7

..........................................................


THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        98      1895
 MINIMUM TEMPERATURE (F)   76        67      1976


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   645 AM EDT   SUNSET   801 PM EDT
AUGUST 19 2026........SUNRISE   646 AM EDT   SUNSET   800 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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