Climatological Report (Monthly)
Issued by NWS Jacksonville, FL

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000
CXUS52 KJAX 011608
CLMSSI

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
809 AM EDT TUE MAY 1 2018

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

...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              94   04/27/1986
 LOW               36   04/07/1950
HIGHEST            86   04/19        75      11
LOWEST             48   04/17        58     -10
                        04/05
AVG. MAXIMUM     74.5              75.0    -0.5
AVG. MINIMUM     58.3              58.1     0.2
MEAN             66.4              66.5    -0.1
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           4.16              2.49    1.67
DAILY AVG.       0.14              0.08    0.06
DAYS >= .01         6               5.8     0.2
DAYS >= .10         5               4.2     0.8
DAYS >= .50         4               1.8     2.2
DAYS >= 1.00        2               0.7     1.3
GREATEST
 24 HR. TOTAL    1.18   04/15 TO 04/15
 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      45                56     -11
 SINCE 7/1       1296              1484    -188
COOLING TOTAL      97               103      -6
 SINCE 1/1        190               143      47

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

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    29/220    DATE  04/15
HIGHEST GUST SPEED/DIRECTION    39/230    DATE  04/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  4
  0
  0
  0
  0
  3
HAZE                      1

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

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