Climatological Report (Monthly)
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000
CXUS52 KKEY 011746
CLMMTH


CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
1246 PM EST FRI DEC 1 2017

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2017...

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            86   11/23                         87  11/02
                        11/10
                        11/09
LOWEST             70   11/25                         65  11/21
                        11/22
                        11/01
AVG. MAXIMUM     82.6              80.5     2.1     82.9
AVG. MINIMUM     73.1              71.1     2.0     73.1
MEAN             77.8              75.8     2.0     78.0
DAYS MAX >= 90      0               0.1    -0.1        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           0.71              2.82   -2.11     0.59
DAILY AVG.       0.02              0.09   -0.07     0.02
DAYS >= .01         7                                  7
DAYS >= .10         3                                  3
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.27   11/27 TO 11/28

SNOWFALL (INCHES)
TOTALS            0.0                                0.0
SINCE 7/1         0.0                                0.0
SNOWDEPTH AVG.      0                                  0
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0                                  0
 24 HR TOTAL      0.0   11/30 TO 11/30

DEGREE_DAYS
HEATING TOTAL       0                 1      -1        0
 SINCE 7/1          0                 1      -1        0
COOLING TOTAL     362               325      37      394
 SINCE 1/1       5379              4764     615     4965
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    23/050    DATE  11/11
HIGHEST GUST SPEED/DIRECTION    30/040    DATE  11/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       2
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$

FOR MARATHON, THE MIDDLE KEYS CLIMATE SITE, NOVEMBER 2017 ENDED 2.0
DEGREES ABOVE AVERAGE FOR THE MONTH, OR 77.8 DEGREES FAHRENHEIT.
FALL 2017 AVERAGED 81.2 DEGREES AT MARATHON, OR 1.1 DEGREES ABOVE
THE 3-MONTH AVERAGE.

IN CONTRAST TO RAINFALL IN OCTOBER, MARATHON ENDED NOVEMBER WITH
ALMOST AS MUCH OF A DEFICIT AS THE PREVIOUS MONTH`S SURPLUS. A TOTAL
OF 0.71 INCHES OF RAINFALL WAS RECORDED IN NOVEMBER, 2.11 INCHES
BELOW NORMAL FOR THE MONTH. FOR FALL 2017, 11.90 INCHES WAS RECORDED
AT MARATHON, 3.43 INCHES BELOW NORMAL. IT IS IMPORTANT TO NOTE THAT
THIS TOTAL IS LIKELY UNDERDONE DUE TO MISSING RAINFALL DATA DURING
HURRICANE IRMA BACK IN SEPTEMBER.

RECORDS ARE NOT YET TRACKED FOR THE MARATHON AREA DUE TO THE SHORT
PERIOD OF RECORD AT THE FLORIDA KEYS MARATHON INTERNATIONAL AIRPORT.
THE PERIOD OF RECORD HERE ONLY DATES BACK TO 1998.


ROSS



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