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000
CXUS52 KKEY 021507
CLMMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
1107 AM EDT SAT SEP 02 2023

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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             98   08/10/1987
                       08/15/1964
                       08/22/1952
 LOW              67   08/27/1957
HIGHEST           97   08/09                          96  08/25
                       08/10
                                                          08/27
                                                          08/28
LOWEST            74   08/20                          73  08/09
AVG. MAXIMUM    93.7               91.6     2.1     93.6
AVG. MINIMUM    82.6               79.7     2.9     81.0
MEAN            88.1               85.6     2.5     87.3
DAYS MAX >= 90    30               27.4     2.6       30
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       13.12   2008
 MINIMUM        1.40   1990
TOTALS          7.29               5.32    1.97     2.42
DAILY AVG.      0.24               0.17    0.07     0.08
DAYS >= .01       13               14.3    -1.3        8
DAYS >= .10       10                8.1     1.9        4
DAYS >= .50        4                3.2     0.8        1
DAYS >= 1.00       3                1.4     1.6        1
GREATEST
 24 HR. TOTAL   3.23   08/19 TO 08/20


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  0       0        0
COOLING TOTAL    725                640      85      698
 SINCE 1/1      4309               3470     839     3874
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    24/050    DATE  08/20
                                24/200          08/29
HIGHEST GUST SPEED/DIRECTION    45/170    DATE  08/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.19
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                       9
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      4
HAZE                     13

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

$$

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

RECORD                    AUG 2023     2023
======                    ========   ========
MAXIMUM TEMPERATURE           8         70
COOL MAXIMUM TEMPERATURE      0          0
WARM MINIMUM TEMPERATURE     11         47
MINIMUM TEMPERATURE           0          0
RAINFALL                      2          5


TOP 10 WARMEST AUGUSTS ON RECORD FOR MARATHON

RANKING    YEAR    AVERAGE (DEG F)
=======    ====    ===============
   1       2023         88.1      <---
   2       2022         87.3
   3       2017         86.8
           2015         86.8
           1998         86.8
   6       2002         86.7
   7       2019         86.5
   8       2009         86.4
           2005         86.4
  10       2011         86.3


TOP 10 WARMEST SUMMERS ON RECORD FOR MARATHON
(SUMMER DEFINED AS JUNE-JULY-AUGUST)

RANKING    YEAR    AVERAGE (DEG F)
=======    ====    ===============
   1       2023         87.7      <---
   2       2019         87.0
   3       1998         86.3
   4       2022         86.0
           2017         86.0
           2015         86.0
           2011         86.0
   8       2009         85.9
           2004         85.9
           2002         85.9

NB