Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KCHS 120602
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
202 AM EDT MON MAY 12 2025
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 11 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 75 1150 PM 94 1955 78 -3 72
MINIMUM 66 250 AM 52 1966 67 -1 61
AVERAGE 71 72 -1 67
PRECIPITATION (IN)
YESTERDAY 3.86R 1.57 1899 0.07 3.79 0.00
MONTH TO DATE 5.08 0.81 4.27 1.39
SINCE MAR 1 8.11 6.80 1.31 13.40
SINCE JAN 1 10.78 11.92 -1.14 18.01
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 6 8 -2 2
MONTH TO DATE 87 74 13 105
SINCE MAR 1 252 187 65 256
SINCE JAN 1 260 192 68 256
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.1
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1896
MINIMUM TEMPERATURE (F) 67 53 1947
1952
2021
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 623 AM EDT SUNSET 810 PM EDT
MAY 13 2025...........SUNRISE 622 AM EDT SUNSET 811 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$