National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS52 KEYW 010546
CLMMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
143 AM EDT MON OCT 1 2012

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

...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            93   09/10        MM      MM       94  09/09
                                                          09/07
                                                          09/06
LOWEST             73   09/26        MM      MM       75  09/27
                                                          09/18
                                                          09/12
AVG. MAXIMUM     89.5              89.4     0.1     91.0
AVG. MINIMUM     78.8              78.5     0.3     79.2
MEAN             84.2              83.9     0.3     85.1
DAYS MAX >= 90     18              12.7     5.3       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           4.77              7.73   -2.96     3.18
DAILY AVG.       0.16              0.26   -0.10     0.11
DAYS >= .01        18                MM      MM       14
DAYS >= .10        12                MM      MM        7
DAYS >= .50         3                MM      MM        2
DAYS >= 1.00        2                MM      MM        0

SNOWFALL (INCHES)
TOTALS            0.0                MM      MM      0.0
SINCE 7/1         0.0                MM      MM      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0                MM      MM        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 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     584               568      16      611
 SINCE 1/1       4243              3954     289     4340
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    24/070    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    33/040    DATE  09/21

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)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      10
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     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.

$$
BWC