Climatological Report (Annual)
Issued by NWS Charleston, SC

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000
CXUS52 KCHS 042049
CLACHS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
349 PM EST TUE JAN 04 2022

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

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

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.

$$