Climatological Report (Annual)
Issued by NWS Charleston, SC

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000
CXUS52 KCHS 021518
CLACHS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1011 AM EST WED JAN 2 2019

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

...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR THE YEAR OF 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1938 TO 2019

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            97   06/24                         98  08/16
                        06/20
                        06/21
LOWEST             14   01/05                         22  01/08
AVG. MAXIMUM     77.5              76.2     1.3     78.3
AVG. MINIMUM     58.3              55.6     2.7     58.1
MEAN             67.9              65.9     2.0     68.2
DAYS MAX >= 90     89              55.2    33.8       62
DAYS MAX <= 32      1               0.4     0.6        0
DAYS MIN <= 32     20              24.4    -4.4       13
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        74.89   2015
 MINIMUM        30.31   1954
TOTALS          57.69             51.03    6.66    52.87
DAILY AVG.       0.16              0.14    0.02     0.14
DAYS >= .01       131             112.7    18.3      101
DAYS >= .10        81              74.4     6.6       72
DAYS >= .50        37              33.4     3.6       36
DAYS >= 1.00       16              14.8     1.2       18
GREATEST
 24 HR. TOTAL    4.88   05/19

SNOWFALL (INCHES)
TOTALS            5.3               0.5     4.8        T
SINCE 7/1         0.0               0.3    -0.3        T
SNOWDEPTH AVG.      0                                  0
DAYS >= TRACE       1               0.5     0.5        4
DAYS >= 1.0         1               0.1     0.9        0

DEGREE_DAYS
HEATING TOTAL    1764              1977    -213     1398
 SINCE 7/1        641               738     -97      703
COOLING TOTAL    2921              2304     617     2682
 SINCE 1/1       2921              2304     617     2682

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

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    40/190    DATE  10/11
HIGHEST GUST SPEED/DIRECTION    53/290    DATE  09/14


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             78     MIXED PRECIP               0
HEAVY RAIN               60     RAIN                      69
LIGHT RAIN              166     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                1     SLEET                      1
FOG                     197     FOG W/VIS <= 1/4 MILE     12
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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