Climatological Report (Monthly)
Issued by NWS

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000
CXUS52 KKEY 011115 CCA
CLMMTH

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE KEY WEST, FL
615 AM EST SUN NOV 1 2020

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1950 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              93   10/16/2009
 LOW               58   10/29/2008
HIGHEST            91   10/01                         91  10/29
                                                          10/28
                                                          10/23
LOWEST             72   10/20                         74  10/13
AVG. MAXIMUM     86.9              85.5     1.4     88.8
AVG. MINIMUM     77.4              75.8     1.6     79.4
MEAN             82.2              80.7     1.5     84.1
DAYS MAX >= 90      4               1.4     2.6       12
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        20.34   2011
 MINIMUM         0.36   1988
TOTALS          13.39              4.78    8.61     3.99
DAILY AVG.       0.43              0.15    0.28     0.13
DAYS >= .01        23                                 11
DAYS >= .10        14                                  8
DAYS >= .50         6                                  3
DAYS >= 1.00        6                                  0
GREATEST
 24 HR. TOTAL    2.99   10/20 TO 10/20

SNOWFALL (INCHES)
TOTALS            0.0                 0       0      0.0
SINCE 7/1         0.0                 0       0      0.0

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     539               485      54      600
 SINCE 1/1       5047              4439     608     5485
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    28/060    DATE  10/18
HIGHEST GUST SPEED/DIRECTION    40/130    DATE  10/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP                0
HEAVY RAIN               14     RAIN                       11
LIGHT RAIN               23     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                      23     FOG W/VIS <= 1/4 MILE       1
HAZE                      7

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

$$

MARATHON DAILY RECORDS, OCTOBER 2020 AND YEAR-TO-DATE

RECORD                    OCT 2020   2020 YTD
======                    ========   ========
MAXIMUM TEMPERATURE           0         21
COOL MAXIMUM TEMPERATURE      0          1
WARM MINIMUM TEMPERATURE      3         28
MINIMUM TEMPERATURE           0          0
RAINFALL                      1          7


TOP 10 WARMEST MONTHLY AVERAGE TEMPERATURES FOR OCTOBER

RANKING    YEAR    AVERAGE (DEG F)
=======    ====    ===============
   1       2019         84.1
   2       2002         83.8
   3       1975         82.8
   4       2018         82.6
           2013         82.6
   6       2007         82.5
   7       2015         82.4
           2005         82.4
   9       2020         82.2
  10       2009         82.1
           2003


TOP 10 WETTEST OCTOBERS ON RECORD

RANKING    YEAR    TOTAL (INCHES)
=======    ====    ==============
   1       2011        20.34
   2       1999        18.20
   3       1995        13.84
   4       2020        13.39
   5       1996        11.09
   6       2010        10.84
   7       1964        10.61
   8       1953         9.83
   9       1969         9.55
  10       1991         9.25


CORRECTED TO ADD DAILY RECORDS AND MONTHLY RANKINGS

WLC


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