Climatological Report (Monthly)
Issued by NWS Jacksonville, FL

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CXUS52 KJAX 011410
CLMJAX

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
910 AM EST MON JAN 01 2024

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

...THE JACKSONVILLE CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             85   12/10/2019
 LOW              11   12/25/1983
HIGHEST           80   12/01         81      -1       83  12/07
                       12/09
                                                          12/08
LOWEST            32   12/30         29       3       20  12/25
                       12/31
AVG. MAXIMUM    66.9               67.5    -0.6     68.1
AVG. MINIMUM    47.8               45.8     2.0     44.5
MEAN            57.3               56.7     0.6     56.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MIN <= 32     2                3.6    -1.6        6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.77   1997
 MINIMUM           T   1889
TOTALS          6.81               2.78    4.03     0.25
DAILY AVG.      0.22               0.09    0.13     0.01
DAYS >= .01       10                7.7     2.3        4
DAYS >= .10        7                4.4     2.6        2
DAYS >= .50        4                1.7     2.3        0
DAYS >= 1.00       2                0.8     1.2        0
GREATEST
 24 HR. TOTAL   4.13   12/16 TO 12/17

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.8   1989
TOTALS           0.0                0.0     0.0      0.0

DEGREE DAYS
HEATING TOTAL    252                285     -33      285
 SINCE 7/1       405                455     -50       MM
COOLING TOTAL     21                 26      -5       23
 SINCE 1/1      3115               2803     312       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    33/060    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    56/310    DATE  12/10

SKY COVER
AVERAGE SKY COVER           0.61

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       7
LIGHT RAIN               11     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.

$$


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