Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KCHS 170618
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
218 AM EDT SAT MAY 17 2025
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 16 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91 150 PM 96 1915 79 12 80
MINIMUM 75 500 AM 53 1926 68 7 69
AVERAGE 83 74 9 75
PRECIPITATION (IN)
YESTERDAY 0.00 2.28 1922 0.07 -0.07 0.00
MONTH TO DATE 5.33 1.16 4.17 1.86
SINCE MAR 1 8.36 7.15 1.21 13.87
SINCE JAN 1 11.03 12.27 -1.24 18.48
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 172 275 -103 131
SINCE JUL 1 1512 1619 -107 1291
COOLING
YESTERDAY 18 9 9 10
MONTH TO DATE 152 115 37 152
SINCE MAR 1 317 228 89 303
SINCE JAN 1 325 233 92 303
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.7
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 1899
MINIMUM TEMPERATURE (F) 68 54 1984
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 619 AM EDT SUNSET 813 PM EDT
MAY 18 2025...........SUNRISE 619 AM EDT SUNSET 814 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$