882
CXUS52 KKEY 012020
CLMMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
320 PM EST THU JAN 1 2026

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             88   12/04/2018
                       12/19/2016
                       12/18/2016
 LOW              37   12/25/1989
                       12/24/1989
HIGHEST           84   12/05                          82  12/17
                       12/08
                                                          12/18
                                                          12/30
LOWEST            55   12/31                          59  12/04
                                                          12/12
AVG. MAXIMUM    78.7               77.9     0.8     76.8
AVG. MINIMUM    69.9               67.5     2.4     67.5
MEAN            74.3               72.7     1.6     72.2
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.58   2023
 MINIMUM        0.19   2005
                       1999
TOTALS          1.42               2.20   -0.78     2.78
DAILY AVG.      0.05               0.07   -0.02     0.09
DAYS >= .01        4                8.3    -4.3        7
DAYS >= .10        2                3.3    -1.3        2
DAYS >= .50        2                1.3     0.7        1
DAYS >= 1.00       0                0.6    -0.6        1
GREATEST
 24 HR. TOTAL   0.73   12/08 TO 12/08


DEGREE DAYS
HEATING TOTAL      6                 17     -11        1
 SINCE 7/1        11                 18      -7        1
COOLING TOTAL    302                256      46      230
 SINCE 1/1      5197               5127      70     5463
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    25/080    DATE  12/22
HIGHEST GUST SPEED/DIRECTION    37/320    DATE  12/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.21
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     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.

$$

MARATHON DAILY RECORDS, DECEMBER 2025 AND 2025

RECORD                    DEC 2025     2025
======                    ========   ========
MAXIMUM TEMPERATURE           0          0
COOL MAXIMUM TEMPERATURE      0          3
WARM MINIMUM TEMPERATURE      0         18
MINIMUM TEMPERATURE           0          1
RAINFALL                      2          6

ROSS