Climatological Report (Annual)
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CXUS52 KCHS 031414
CLACXM

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
902 AM EST SUN JAN 03 2021

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

...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            104   06/24/1944
 LOW               7   02/14/1899
HIGHEST           96   09/04                         100
LOWEST            30   12/26                          33
AVG. MAXIMUM    75.0               72.9     2.1     74.5
AVG. MINIMUM    63.1               60.6     2.6     63.0
MEAN            69.1               66.7     2.4     68.7
DAYS MAX >= 90    28               27.0     1.0       27
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     2                7.0    -5.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       74.87   1945
 MINIMUM       27.63   2000
TOTALS         48.43              44.42    4.01    40.78
DAYS >= .01      124              101.0    23.0       99
DAYS >= .10       67               65.0     2.0       61
DAYS >= .50       36               27.0     9.0       22
DAYS >= 1.00      15               12.0     3.0       11
GREATEST
 24 HR. TOTAL   3.34


DEGREE DAYS
HEATING TOTAL   1142               1733    -591     1310
 SINCE 7/1       417                605    -188      517
COOLING TOTAL   2725               2376     349     2792
 SINCE 1/1      2725               2376     349     2792
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    32/040    DATE  08/03
HIGHEST GUST SPEED/DIRECTION    39/050    DATE  08/03



-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

2020 TIES THE 2ND WARMEST YEAR ON RECORD IN DOWNTOWN CHARLESTON.

$$



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