Climatological Report (Monthly)
Issued by NWS Jacksonville, FL

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409
CXUS52 KJAX 011547
CLMSSI

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL

1122 AM EDT MON MAY 1 2017

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

...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              94   04/27/1986
 LOW               36   04/07/1950
HIGHEST            84   04/28        75       9
                        04/27
LOWEST             50   04/08        58      -8
AVG. MAXIMUM     78.8              75.0     3.8
AVG. MINIMUM     63.4              58.1     5.3
MEAN             71.1              66.5     4.6
DAYS MAX >= 90      0               0.4    -0.4
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         9.26   1973
 MINIMUM         0.18   2002
TOTALS           1.59              2.49   -0.90
DAILY AVG.       0.05              0.08   -0.03
DAYS >= .01         4               5.8    -1.8
DAYS >= .10         2               4.2    -2.2
DAYS >= .50         1               1.8    -0.8
DAYS >= 1.00        1               0.7     0.3
GREATEST
 24 HR. TOTAL    1.26   04/03 TO 04/03
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.1   1949
 24 HR TOTAL      0.1   04/04/1949 TO 04/04/1949
TOTALS            0.0               0.0     0.0
 LIQUID EQUIV    0.00              0.00    0.00
SINCE 7/1         0.0               0.2    -0.2
 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   04/30 TO 04/30
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL      12                56     -44
 SINCE 7/1        781              1484    -703
COOLING TOTAL     201               103      98
 SINCE 1/1        338               143     195

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

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    28/210    DATE  04/04
HIGHEST GUST SPEED/DIRECTION    38/240    DATE  04/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

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