Climatological Report (Monthly)
Issued by NWS Jacksonville, FL

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CXUS52 KJAX 011318 RRA
CLMSSI

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
904 AM EDT FRI SEP 1 2017

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

...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             101   08/11/2011
 LOW               62   08/25/1957
HIGHEST            96   08/16        88       8
LOWEST             71   08/31        74      -3
                        08/29
AVG. MAXIMUM     89.1              88.7     0.4
AVG. MINIMUM     76.8              75.0     1.8
MEAN             82.9              81.8     1.1
DAYS MAX >= 90     14              10.1     3.9
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.0     0.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.16   1969
 MINIMUM         1.16   1980
TOTALS           5.97              6.27   -0.30
DAILY AVG.       0.19              0.20   -0.01
DAYS >= .01        16              12.4     3.6
DAYS >= .10        11               8.7     2.3
DAYS >= .50         4               3.9     0.1
DAYS >= 1.00        1               2.3    -1.3
GREATEST
 24 HR. TOTAL    1.21   08/26 TO 08/26
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
TOTALS            0.0               0.0     0.0
 LIQUID EQUIV    0.00              0.00    0.00
SINCE 7/1         0.0               0.0     0.0
 LIQUID 7/1      0.00
DAYS >= TRACE       0               0.0     0.0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   08/31 TO 08/31
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL       0                 0       0
 SINCE 7/1          0                 0       0
COOLING TOTAL     566               522      44
 SINCE 1/1       2327              1976     351

FREEZE DATES
RECORD
 EARLIEST     11/03/1954
 LATEST       03/31/1964
EARLIEST                        12/20
LATEST                          02/14
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    32/050    DATE  08/27
HIGHEST GUST SPEED/DIRECTION    42/050    DATE  08/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               12     RAIN                       9
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

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

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