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000
CXUS52 KKEY 011746
CLMMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
146 PM EDT THU JUN 1 2023

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             96   05/14/2019
 LOW              61   05/10/1963
HIGHEST           93   05/18                          92  05/07
LOWEST            69   05/02                          71  05/11
AVG. MAXIMUM    89.7               87.5     2.2     88.6
AVG. MINIMUM    75.6               75.8    -0.2     76.5
MEAN            82.7               81.7     1.0     82.6
DAYS MAX >= 90    18                7.4    10.6       15
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       15.66   2020
 MINIMUM           T   1989
TOTALS          3.73               3.36    0.37     2.65
DAILY AVG.      0.12               0.11    0.01     0.09
DAYS >= .01       10                7.9     2.1        9
DAYS >= .10        8                4.6     3.4        6
DAYS >= .50        3                2.1     0.9        3
DAYS >= 1.00       1                1.1    -0.1        0
GREATEST
 24 HR. TOTAL   1.00   05/23 TO 05/23


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1        44                 71     -27       30
COOLING TOTAL    554                516      38      553
 SINCE 1/1      2193               1623     570     1914
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    26/020    DATE  05/19
HIGHEST GUST SPEED/DIRECTION    35/010    DATE  05/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.24
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      0
HAZE                      7

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

$$

MARATHON DAILY RECORDS, MAY 2023 AND 2023-TO-DATE

RECORD                    MAY 2023     2023
======                    ========   ========
MAXIMUM TEMPERATURE           3         36
COOL MAXIMUM TEMPERATURE      0          0
WARM MINIMUM TEMPERATURE      0         16
MINIMUM TEMPERATURE           0          0
RAINFALL                      0          3


TOP 10 WARMEST MAYS ON RECORD FOR MARATHON

RANKING    YEAR    AVERAGE (DEG F)
=======    ====    ===============
   1       2019         85.9
   2       2003         84.1
   3       2002         83.4
   4       2011         83.3
           2008         83.3
   6       2017         83.1
   7       2023         82.7      <---
   8       2022         82.6
   9       2010         82.5
  10       2021         82.4
           1995         82.4


TOP 10 WARMEST SPRINGS ON RECORD FOR MARATHON
(SPRING DEFINED AS MARCH-APRIL-MAY)

RANKING    YEAR    AVERAGE (DEG F)
=======    ====    ===============
   1       2019         82.1
   2       2023         81.3      <---
   3       2015         80.8
   4       2020         80.6
   5       2022         80.4
   6       2002         80.1
   7       2011         80.0
   8       2003         80.0
   9       2008         79.7
  10       2017         79.6

ROSS