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Climatological Report (Monthly)
Issued by NWS Jacksonville, FL

000
CXUS52 KJAX 011330
CLMSSI

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
930 AM EDT THU JUN 01 2023

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

...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR THE MONTH OF MAY 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            100   05/26/1953
 LOW              46   05/02/1963
HIGHEST           92   05/17         92       0       95  05/19
LOWEST            55   05/04         55       0       57  05/09
                                                          05/10
AVG. MAXIMUM    82.3               83.3    -1.0     84.5
AVG. MINIMUM    67.8               68.0    -0.2     70.0
MEAN            75.0               75.6    -0.6     77.2
DAYS MAX >= 90     1                3.0    -2.0        2
DAYS MIN <= 32     0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.31   1979
 MINIMUM        0.10   1996
TOTALS          3.01               2.29    0.72     2.06
DAILY AVG.      0.10               0.07    0.03     0.07
DAYS >= .01       13                6.7     6.3        8
DAYS >= .10        9                4.2     4.8        4
DAYS >= .50        1                1.5    -0.5        2
DAYS >= 1.00       0                0.6    -0.6        0
GREATEST
 24 HR. TOTAL   0.58   05/21 TO 05/21

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1980
TOTALS           0.0                0.0     0.0      0.0

DEGREE DAYS
HEATING TOTAL      2                  3      -1        2
 SINCE 7/1       814               1307    -493       MM
COOLING TOTAL    321                333     -12      387
 SINCE 1/1       845                531     314       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    33/230    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    48/230    DATE  05/17

SKY COVER
AVERAGE SKY COVER           0.41

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      10
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$