Climatological Report (Monthly)
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856
CXUS52 KKEY 020048
CLMMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
848 PM EDT FRI SEP 1 2017

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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            94   08/19                         94  08/22
                        08/18
                        08/17
LOWEST             74   08/24                         74  08/25
                                                          08/14
                                                          08/13
AVG. MAXIMUM     92.4              91.2     1.2     90.6
AVG. MINIMUM     81.2              79.4     1.8     78.8
MEAN             86.8              85.3     1.5     84.7
DAYS MAX >= 90     29              23.9     5.1       24
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           2.43              6.99   -4.56     8.53
DAILY AVG.       0.08              0.23   -0.15     0.28
DAYS >= .01         7                                 18
DAYS >= .10         6                                 11
DAYS >= .50         2                                  6
DAYS >= 1.00        0                                  4

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   08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     681               629      52      621
 SINCE 1/1       3947              3386     561     3480
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
HIGHEST WIND SPEED/DIRECTION    23/060    DATE  08/19
HIGHEST GUST SPEED/DIRECTION    33/220    DATE  08/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           29
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     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.

$$

THE METEOROLOGICAL SUMMER OF 2017 HAS COME TO AN END, WITH MARATHON
AVERAGING ABOVE NORMAL TEMPERATURES AND WELL BELOW NORMAL RAINFALL.

AN AVERAGE TEMPERATURE OF 86.8 DEGREES FAHRENHEIT, 1.5 DEGREES
ABOVE NORMAL, WAS OBSERVED IN AUGUST 2017 AND TIES 2015 AND 1998
FOR THE WARMEST AUGUST ON RECORD AT MARATHON. FOR THE SUMMER MONTHS
OF JUNE-JULY-AUGUST, 2017 AVERAGED 86.0 DEGREES. THIS AVERAGE IS 1.0
DEGREE ABOVE NORMAL AND TIES 2011 FOR THE 3RD WARMEST SUMMER AT
MARATHON.

WITH 2.43 INCHES OF RAINFALL RECORDED IN AUGUST 2017, 4.56 INCHES
BELOW NORMAL, LAST MONTH RANKED AS THE 3RD DRIEST AUGUST ON RECORD
AT MARATHON. FOR THE SUMMER MONTHS OF JUNE-JULY-AUGUST, 2017
RECORDED 12.51 INCHES OF RAINFALL, 4.37 INCHES BELOW NORMAL. THIS
TOTAL RANKS AS THE 7TH DRIEST SUMMER AT MARATHON.

TEMPERATURE AND RAINFALL READINGS FOR MARATHON ONLY DATE BACK TO
1998, SO OFFICIAL RECORDS ARE NOT YET TRACKED FOR THIS LOCATION.


FLING/ROSS



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