Climatological Report (Annual) Issued by NWS Charleston, SC
000
CXUS52 KCHS 042049
CLACHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
349 PM EST TUE JAN 04 2022
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...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR THE YEAR OF 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2022
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 105 08/01/1999
LOW 6 01/21/1985
HIGHEST 95 07/31 MM MM 97 08/01
08/01
LOWEST 26 02/04 MM MM 23 12/26
AVG. MAXIMUM 76.5 76.7 -0.2 77.6
AVG. MINIMUM 56.6 56.4 0.2 58.7
MEAN 66.5 66.5 0.0 68.1
DAYS MAX >= 90 45 64.3 -19.3 72
DAYS MAX <= 32 0 0.1 -0.1 0
DAYS MIN <= 32 17 22.4 -5.4 16
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 74.89 2015
MINIMUM 30.31 1954
TOTALS 58.71 52.51 6.20 53.74
DAILY AVG. 0.16 0.14 0.02 0.15
DAYS >= .01 110 113.7 -3.7 122
DAYS >= .10 67 74.4 -7.4 79
DAYS >= .50 37 33.8 3.2 34
DAYS >= 1.00 21 15.7 5.3 18
GREATEST
24 HR. TOTAL 4.34 3.26 09/16 TO 09/17
SNOWFALL (INCHES)
RECORDS
TOTAL MM 2020
SNOW DEPTH 5 01/04/2018
TOTALS T 0.3 -0.3 T
SINCE 7/1 0.0 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 1 0.2 0.8 1
DAYS >= 1.0 0 0.1 -0.1 0
DEGREE DAYS
HEATING TOTAL 1672 1844 -172 1433
SINCE 7/1 561 700 -139 MM
COOLING TOTAL 2362 2434 -72 2676
SINCE 1/1 2362 2434 -72 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST 11/23
LATEST 04/03
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WIND (MPH)
AVERAGE WIND SPEED 7.4
HIGHEST WIND SPEED/DIRECTION 35/240 DATE 06/19
HIGHEST GUST SPEED/DIRECTION 47/150 DATE 07/08
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 65 MIXED PRECIP 0
HEAVY RAIN 55 RAIN 66
LIGHT RAIN 144 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 1
FOG 176 FOG W/VIS <= 1/4 MILE 18
HAZE 26
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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