Climatological Report (Monthly)
Issued by NWS Charleston, SC

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690
CXUS52 KCHS 031349
CLMCHS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
941 AM EDT TUE OCT 3 2017

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

...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF
SEPTEMBER 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   09/05/1944
                        09/04/1944
 LOW               42   09/30/1967
HIGHEST            95   09/28                         94  09/11
LOWEST             60   09/08                         64  09/06
AVG. MAXIMUM     86.7              84.8     1.9     88.3
AVG. MINIMUM     68.6              67.2     1.4     71.2
MEAN             77.7              76.0     1.7     79.8
DAYS MAX >= 90      9               4.5     4.5       12
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        17.31   1945
 MINIMUM         0.18   1990
TOTALS           6.75              6.10    0.65    12.27
DAYS >= .01         7              10.0    -3.0       14
DAYS >= .10         4               6.8    -2.8       10
DAYS >= .50         2               3.5    -1.5        6
DAYS >= 1.00        1               2.0    -1.0        4
GREATEST
 24 HR. TOTAL    5.51   09/11

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

DEGREE_DAYS
HEATING TOTAL       0                 3      -3        0
 SINCE 7/1          0                 3      -3        0
COOLING TOTAL     389               333      56      451
 SINCE 1/1       2431              2138     293     2726
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    43/070
HIGHEST GUST SPEED/DIRECTION    60/080


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     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:

*SEP 10 - RECORD LOW MAXIMUM TEMPERATURE OF 73 DEGREES
*SEP 11 - RECORD PRECIPITATION OF 5.51 INCHES
*SEP 28 - RECORD HIGH TEMPERATURE OF 95 DEGREES

$$



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