Climatological Report (Monthly)
Issued by NWS Jacksonville, FL

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000
CXUS52 KJAX 011321
CLMSSI

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
921 AM EDT SAT JUL 01 2023

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

...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF JUNE 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1940 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            103   06/03/1985
 LOW              52   06/01/1984
HIGHEST          100   06/27         95       5      103  06/23
LOWEST            67   06/06         67       0       70  06/20
AVG. MAXIMUM    90.4               88.2     2.2     90.7
AVG. MINIMUM    74.2               73.7     0.5     76.0
MEAN            82.3               81.0     1.3     83.3
DAYS MAX >= 90    17                9.0     8.0       17
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       15.73   1999
 MINIMUM        0.75   1970
TOTALS          5.16               5.76   -0.60     3.00
DAILY AVG.      0.17               0.19   -0.02     0.10
DAYS >= .01       12               11.2     0.8        9
DAYS >= .10        7                7.6    -0.6        6
DAYS >= .50        5                3.1     1.9        3
DAYS >= 1.00       2                1.7     0.3        1
GREATEST
 24 HR. TOTAL   1.90   06/14 TO 06/15

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1979
TOTALS           0.0                0.0     0.0      0.0

DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1       814               1310    -496       MM
COOLING TOTAL    525                478      47      557
 SINCE 1/1      1370               1009     361       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    33/290    DATE  06/13
HIGHEST GUST SPEED/DIRECTION    59/280    DATE  06/13

SKY COVER
AVERAGE SKY COVER           0.23

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       8
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$


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