Climatological Report (Monthly)
Issued by NWS

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048
CXUS52 KKEY 032028
CLMMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
328 PM EST TUE FEB 3 2026

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             88   01/03/2017
 LOW              39   01/11/2010
HIGHEST           82   01/26                          79  01/11
LOWEST            51   01/16                          52  01/25
AVG. MAXIMUM    74.4               75.8    -1.4     73.2
AVG. MINIMUM    63.6               64.2    -0.6     62.5
MEAN            69.0               70.0    -1.0     67.9
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       16.76   1983
 MINIMUM        0.07   1990
TOTALS          0.76               1.64   -0.88     1.35
DAILY AVG.      0.02               0.05   -0.03     0.04
DAYS >= .01        9                7.9     1.1        6
DAYS >= .10        3                2.9     0.1        3
DAYS >= .50        0                0.7    -0.7        2
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.22   01/30 TO 01/30


DEGREE DAYS
HEATING TOTAL     40                 33       7       30
 SINCE 7/1        51                 51       0       31
COOLING TOTAL    170                188     -18      125
 SINCE 1/1       170                188     -18      125
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.1
HIGHEST WIND SPEED/DIRECTION    30/320    DATE  01/31
HIGHEST GUST SPEED/DIRECTION    50/330    DATE  01/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.41
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

$$

MARATHON DAILY RECORDS, JANUARY 2026 AND 2026

RECORD                    JAN 2026     2026
======                    ========   ========
MAXIMUM TEMPERATURE           0          0
COOL MAXIMUM TEMPERATURE      1          1
WARM MINIMUM TEMPERATURE      0          0
MINIMUM TEMPERATURE           0          0
RAINFALL                      0          0

ROSS