Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KSEW 011050
CLMSEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
250 AM PST MON DEC 1 2014

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              74   11/03/2010
                        11/04/1949
                        08/09/1981
 LOW                6   11/15/1955
HIGHEST            62   11/06        MM      MM       64  11/01
LOWEST             23   11/30        MM      MM       31  11/21
AVG. MAXIMUM     51.9              50.9     1.0     53.7
AVG. MINIMUM     40.1              40.0     0.1     42.1
MEAN             46.0              45.4     0.6     47.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.3    -0.3        0
DAYS MIN <= 32      8               2.6     5.4        2
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.63   2006
 MINIMUM         0.74   1996
TOTALS           4.84              6.57   -1.73     3.79
DAILY AVG.       0.16              0.22   -0.06     0.13
DAYS >= .01        16              18.4    -2.4       15
DAYS >= .10        12              13.2    -1.2        8
DAYS >= .50         3               4.1    -1.1        3
DAYS >= 1.00        1               1.2    -0.2        2
GREATEST
 24 HR. TOTAL    1.47   11/28 TO 11/29

SNOWFALL (INCHES)
RECORDS
 TOTAL           17.5   1985
TOTALS            0.8               1.2    -0.4      0.0
SINCE 7/1         0.8               1.2    -0.4      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL      0.8   MM                           0.0

DEGREE_DAYS
HEATING TOTAL     563               586     -23      506
 SINCE 7/1        840              1183    -343     1022
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        369               189     180      385
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    33/210    DATE  11/06
HIGHEST GUST SPEED/DIRECTION    43/100    DATE  11/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      2
HAZE                      0

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

$$


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