Climatological Report (Monthly)
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CXUS52 KKEY 012005
CLMMTH


CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
305 PM EST TUE JAN 1 2019

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            88   12/04                         86  12/08
LOWEST             56   12/12                         50  12/14
AVG. MAXIMUM     80.6              76.7     3.9     78.7
AVG. MINIMUM     69.9              66.7     3.2     67.5
MEAN             75.2              71.7     3.5     73.1
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)
TOTALS           0.93              2.02   -1.09     1.04
DAILY AVG.       0.03              0.07   -0.04     0.03
DAYS >= .01         4                                  4
DAYS >= .10         1                                  2
DAYS >= .50         1                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.85   12/20 TO 12/20

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0                                  0
 24 HR TOTAL      0.0   12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL       4                20     -16       18
 SINCE 7/1          8                21     -13       18
COOLING TOTAL     326               228      98      278
 SINCE 1/1       5461              4992     469     5657
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    28/270    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    40/270    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP                0
HEAVY RAIN                2     RAIN                        1
LIGHT RAIN                8     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                       4     FOG W/VIS <= 1/4 MILE       0
HAZE                      2

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

$$

ROSS





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