Climatological Report (Monthly)
Issued by NWS Charleston, SC

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583
CXUS52 KCHS 021920
CLMCHS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
318 PM EDT FRI JUN 2 2017

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

...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF MAY
2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1938 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   05/21/1938
 LOW               36   05/02/1963
HIGHEST            93   05/29                         92  05/08
LOWEST             51   05/06                         49  05/06
AVG. MAXIMUM     84.6              83.2     1.4     83.5
AVG. MINIMUM     64.0              61.8     2.2     64.2
MEAN             74.3              72.5     1.8     73.8
DAYS MAX >= 90      8               3.5     4.5        5
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.28   1957
 MINIMUM         0.27   1941
TOTALS           3.74              3.02    0.72     6.66
DAYS >= .01         7               7.8    -0.8       11
DAYS >= .10         7               5.1     1.9        6
DAYS >= .50         3               2.3     0.7        3
DAYS >= 1.00        1               0.9     0.1        2
GREATEST
 24 HR. TOTAL    1.26   05/23

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0
SINCE 7/1           T               0.5    -0.5

DEGREE_DAYS
HEATING TOTAL       3                12      -9        4
 SINCE 7/1       1228              1975    -747     1357
COOLING TOTAL     299               244      55      287
 SINCE 1/1        575               362     213      495
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    30/220
HIGHEST GUST SPEED/DIRECTION    40/200


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       4
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

&&

RECORDS ESTABLISHED AT THE CHARLESTON INTERNATIONAL AIRPORT DURING
THE MONTH:

*MAY 22 - RECORD HIGH MINIMUM TEMPERATURE OF 72 DEGREES

$$



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