938
CXUS52 KKEY 012028
CLMMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
328 PM EST WED JAN 1 2025

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2024

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           82   12/17                          87  12/03
                       12/18
                       12/30
LOWEST            59   12/04                          55  12/31
                       12/12
AVG. MAXIMUM    76.8               77.9    -1.1     76.3
AVG. MINIMUM    67.5               67.5     0.0     66.9
MEAN            72.2               72.7    -0.5     71.6
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          2.78               2.20    0.58     8.58
DAILY AVG.      0.09               0.07    0.02     0.28
DAYS >= .01        7                8.3    -1.3       12
DAYS >= .10        2                3.3    -1.3        9
DAYS >= .50        1                1.3    -0.3        6
DAYS >= 1.00       1                0.6     0.4        3
GREATEST
 24 HR. TOTAL   2.47   12/28 TO 12/29


DEGREE DAYS
HEATING TOTAL      1                 17     -16        3
 SINCE 7/1         1                 18     -17        3
COOLING TOTAL    230                256     -26      214
 SINCE 1/1      5463               5127     336     6084
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    23/120    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    39/330    DATE  12/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.25
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     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 2024 AND 2024-TO-DATE

RECORD                    DEC 2024     2024
======                    ========   ========
MAXIMUM TEMPERATURE           0          3
COOL MAXIMUM TEMPERATURE      0          0
WARM MINIMUM TEMPERATURE      0         51
MINIMUM TEMPERATURE           0          0
RAINFALL                      1          5


TOP 10 WARMEST YEARS ON RECORD FOR MARATHON

RANKING    YEAR    AVERAGE (DEG F)
=======    ====    ===============
   1       2019         81.7
   2       2023         81.4
   3       2015         80.5
   4       2022         80.4
           2017         80.4
   6       2020         80.1
           2013         80.1
   8       2024         79.7   <---
           2002         79.7
  10       2018         79.6


ROSS