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

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000
CXUS52 KKEY 020042
CLMEYW

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

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

...THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              97   08/26/1956
 LOW               68   08/06/1913
                        08/04/1894
HIGHEST            94   08/19                         92  08/22
                                                          08/02
LOWEST             76   08/26                         72  08/24
AVG. MAXIMUM     89.6              89.4     0.2     89.5
AVG. MINIMUM     81.9              79.6     2.3     79.6
MEAN             85.8              84.5     1.3     84.5
DAYS MAX >= 90     18              13.5     4.5       17
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        15.83   1926
 MINIMUM         0.92   1915
TOTALS           2.23              5.38   -3.15     8.81
DAILY AVG.       0.07              0.17   -0.10     0.28
DAYS >= .01        14              14.2    -0.2       16
DAYS >= .10         5               8.9    -3.9       10
DAYS >= .50         2               3.2    -1.2        5
DAYS >= 1.00        0               1.5    -1.5        3

SNOWFALL (INCHES)
RECORDS
 TOTAL
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   08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     652               604      48      612
 SINCE 1/1       3631              3189     442     3307
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    31/200    DATE  08/25
HIGHEST GUST SPEED/DIRECTION    45/080    DATE  08/19

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)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             17     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       7
LIGHT RAIN               14     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                      3

-  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 KEY WEST
AVERAGING ABOVE NORMAL TEMPERATURES AND WELL BELOW NORMAL RAINFALL.

AN AVERAGE TEMPERATURE OF 85.8 DEGREES FAHRENHEIT WAS OBSERVED IN
AUGUST 2017, COMING IN AT 1.3 DEGREES ABOVE NORMAL. THIS TIES AS THE
9TH WARMEST AUGUST ON RECORD. THE SUMMER (JUNE-JULY-AUGUST) FINISHED
IN A 4-WAY TIE WITH 2015, 2011, AND 1967 FOR THE 8TH WARMEST ON
RECORD WITH AN AVERAGE TEMPERATURE OF 85.1 DEGREES, 1.0 DEGREE ABOVE
NORMAL.

IN TERMS OF RAINFALL, KEY WEST SAW JUST 2.23 INCHES OF RAIN DURING
AUGUST, FALLING 3.15 INCHES BELOW NORMAL FOR THE MONTH. AUGUST
IS TYPICALLY THE 2ND WETTEST MONTH OF THE YEAR BEHIND SEPTEMBER.
AUGUST 2017 WAS THE DRIEST AUGUST SINCE 2007, BUT WAS NOT IN THE TOP
10 DRIEST ON RECORD. THE SUMMER FINISHED WITH 11.19 INCHES OF
RAINFALL, 1.85 INCHES BELOW NORMAL, ALSO NOT IN THE TOP 10 DRIEST.

RAINFALL AND TEMPERATURE RECORDS IN KEY WEST DATE BACK TO 1871 AND
1872, RESPECTIVELY.


DAILY RECORDS SET/TIED AT KEY WEST, AUGUST 2017 AND 2017 TO-DATE

RECORD                       AUG 2017    JAN-AUG 2017
======                       ========    ============
MAXIMUM TEMPERATURE              1             3
COOL MAXIMUM TEMPERATURE         0             0
WARM MINIMUM TEMPERATURE         5            26
MINIMUM TEMPERATURE              0             0
RAINFALL                         0             1


FLING/ROSS



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