Climatological Report (Monthly)
Issued by NWS

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000
CXUS56 KSEW 011033
CLMSEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
333 AM PDT SAT NOV 1 2014

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              89   10/01/1987
 LOW               28   10/19/1949
HIGHEST            78   10/06        MM      MM       73  10/06
LOWEST             44   10/27        MM      MM       38  10/29
AVG. MAXIMUM     64.3              59.7     4.6     57.6
AVG. MINIMUM     51.6              45.8     5.8     45.7
MEAN             58.0              52.8     5.2     51.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.1    -0.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.96   2003
 MINIMUM         0.31   1987
TOTALS           6.75              3.48    3.27     1.54
DAILY AVG.       0.22              0.11    0.11     0.05
DAYS >= .01        19              13.1     5.9       12
DAYS >= .10        14               7.8     6.2        5
DAYS >= .50         5               2.0     3.0        0
DAYS >= 1.00        2               0.5     1.5        0
GREATEST
 24 HR. TOTAL    1.59   10/30 TO 10/31

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL      0.0   10/31 TO 10/31               0.0

DEGREE_DAYS
HEATING TOTAL     212               380    -168      405
 SINCE 7/1        277               597    -320      516
COOLING TOTAL       2                 0       2        0
 SINCE 1/1        369               189     180      385
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    37/200    DATE  10/25
HIGHEST GUST SPEED/DIRECTION    49/210    DATE  10/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         20

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      10
LIGHT RAIN               22     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      6
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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