Climatological Report (Monthly)
Issued by NWS Jacksonville, FL

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000
CXUS52 KJAX 020917
CLMSSI

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
238 PM EDT THU JUN 1 2017

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

...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF MAY 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             100   05/26/1953
 LOW               46   05/02/1963
HIGHEST            96   05/11        82      14
LOWEST             53   05/06        66     -13
AVG. MAXIMUM     85.0              82.2     2.8
AVG. MINIMUM     68.4              66.8     1.6
MEAN             76.7              74.5     2.2
DAYS MAX >= 90      5               2.6     2.4
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        10.31   1979
 MINIMUM         0.10   1996
TOTALS           4.03              1.86    2.17
DAILY AVG.       0.13              0.06    0.07
DAYS >= .01         9               6.0     3.0
DAYS >= .10         8               3.4     4.6
DAYS >= .50         4               1.1     2.9
DAYS >= 1.00        1               0.5     0.5
GREATEST
 24 HR. TOTAL    1.31   05/24 TO 05/24
 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               0.2    -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   05/31 TO 05/31
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL       0                 4      -4
 SINCE 7/1        781              1488    -707
COOLING TOTAL     370               299      71
 SINCE 1/1        708               442     266

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

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    32/230    DATE  05/05
HIGHEST GUST SPEED/DIRECTION    42/230    DATE  05/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       6
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      9

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

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