Climatological Report (Annual)
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000
CXUS52 KCHS 011739
CLACXM

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1219 PM EST MON JAN 1 2018

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

...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             104   06/02/1985
                        06/24/1944
 LOW                7   02/14/1899
HIGHEST            97   08/17                         96
LOWEST             27   01/08                         29
AVG. MAXIMUM     74.8              72.9     1.9     74.7
AVG. MINIMUM     62.8              60.6     2.2     62.3
MEAN             68.8              66.8     2.0     68.5
DAYS MAX >= 90     17              27.6   -10.6       36
DAYS MAX <= 32      0               0.2    -0.2        0
DAYS MIN <= 32      3               7.4    -4.4        6
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        74.87   1945
 MINIMUM        27.63   2000
TOTALS          53.89             44.42    9.47    45.26
DAYS >= .01        96             101.2    -5.2       91
DAYS >= .10        65              65.4    -0.4       63
DAYS >= .50        28              27.6     0.4       24
DAYS >= 1.00       16              12.1     3.9       13
GREATEST
 24 HR. TOTAL    4.53

DEGREE_DAYS
HEATING TOTAL    1202              1734    -532     1460
 SINCE 7/1        574               606     -32      429
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    40/080    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    52/090    DATE  09/11



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

$$



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