Climatological Report (Monthly)
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000
CXUS52 KKEY 011416
CLMMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
927 AM EDT MON OCT 1 2018

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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            93   09/24                         93  09/25
                        09/19                             09/08
                                                          09/07
LOWEST             74   09/07                         74  09/29
AVG. MAXIMUM     90.5              89.4     1.1     89.8
AVG. MINIMUM     79.1              78.5     0.6     79.6
MEAN             84.8              83.9     0.9     84.7
DAYS MAX >= 90     22              12.7     9.3       18
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           1.71              7.73   -6.02     3.53
DAILY AVG.       0.06              0.26   -0.20     0.12
DAYS >= .01        12                                  9
DAYS >= .10         7                                  3
DAYS >= .50         1                                  2
DAYS >= 1.00        0                                  2
GREATEST
 24 HR. TOTAL    0.53   09/03 TO 09/03

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   09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     603               568      35      559
 SINCE 1/1       4192              3954     238     4506
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    25/040    DATE  09/06
HIGHEST GUST SPEED/DIRECTION    35/080    DATE  09/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP                0
HEAVY RAIN                6     RAIN                        6
LIGHT RAIN               14     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       0
HAZE                      6

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

$$



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