National Weather Service Text Product Display

Climatological Report (Monthly)
Issued by NWS Jacksonville, FL
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CXUS52 KJAX 011639
CLMSSI

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE
1238 PM EDT WED MAY 1 2013

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...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              94   04/27/1986
 LOW               36   04/07/1950
HIGHEST            89   04/12        75      14
LOWEST             48   04/06        58     -10
AVG. MAXIMUM     74.5              75.0    -0.5
AVG. MINIMUM     59.2              58.1     1.1
MEAN             66.9              66.5     0.4
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           2.80              2.49    0.31
DAILY AVG.       0.09              0.08    0.01
DAYS >= .01        11               5.8     5.2
DAYS >= .10         9               4.2     4.8
DAYS >= .50         0               1.8    -1.8
DAYS >= 1.00        0               0.7    -0.7
GREATEST
 24 HR. TOTAL    0.97   04/19 TO 04/20
 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      39                56     -17
 SINCE 7/1       1267              1484    -217
COOLING TOTAL     107               103       4
 SINCE 1/1        146               143       3

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

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    29/040    DATE  04/21
HIGHEST GUST SPEED/DIRECTION    41/220    DATE  04/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       8
LIGHT RAIN               11     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      3
HAZE                      2

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

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National Weather Service National Headquarters
