Climatological Report (Monthly)
Issued by NWS Key West, FL

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CXUS52 KKEY 012005
CLMEYW


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

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

...THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              88   12/24/1876
                        12/23/1876
 LOW               44   12/24/1989
                        12/27/1985
                        12/29/1894
HIGHEST            86   12/04                         83  12/07
LOWEST             59   12/12                         54  12/14
                                                          12/12
AVG. MAXIMUM     79.6              76.0     3.6     78.0
AVG. MINIMUM     71.2              66.9     4.3     67.5
MEAN             75.4              71.4     4.0     72.7
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        11.18   1986
 MINIMUM         0.05   2005
TOTALS           1.90              2.22   -0.32     1.28
DAILY AVG.       0.06              0.07   -0.01     0.04
DAYS >= .01         3               6.4    -3.4        3
DAYS >= .10         2               3.2    -1.2        2
DAYS >= .50         1               1.0     0.0        1
DAYS >= 1.00        1               0.6     0.4        1
GREATEST
 24 HR. TOTAL    1.69   12/20 TO 12/20

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0
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       0                17     -17        9
 SINCE 7/1          0                18     -18        9
COOLING TOTAL     330               217     113      260
 SINCE 1/1       5401              4750     651     5361
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    29/260    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    41/250    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP                0
HEAVY RAIN                2     RAIN                        2
LIGHT RAIN                8     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                       2     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.

$$


DAILY RECORDS AT KEY WEST, DECEMBER 2018 AND 2018-TO-DATE

Record                       Dec 2018   2018
======                       ========   ====
Maximum Temperature              3       17
Cool Maximum Temperature         0        0
Warm Minimum Temperature         6       45
Minimum Temperature              0        0
Rainfall                         0        4


TOP 10 WARMEST DECEMBER AVERAGES

                     AVERAGE TEMPERATURE
RANKING    YEAR    (IN DEGREES FAHRENHEIT)
=======    ====    =======================
   1       2015             77.6
   2       2016             77.5
   3       1931             76.6
   4       1971             76.2
   5       1978             76.1
   6       1948             76.0
   7       2013             75.7
   8       1951             75.5
   9       2018             75.4
  10       1879             75.3


ROSS








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