Climatological Report (Monthly)
Issued by NWS Seattle/Tacoma, WA

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000
CXUS56 KSEW 011039
CLMSEW


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
238 AM PST FRI DEC 1 2017

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

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1986 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              76   11/03/2010
 LOW               18   11/24/2010
HIGHEST            63   11/22        MM      MM       71  11/08
LOWEST             30   11/04        MM      MM       40  11/18
AVG. MAXIMUM     51.3              51.4    -0.1     56.8
AVG. MINIMUM     41.9              41.0     0.9     45.7
MEAN             46.6              46.2     0.4     51.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.1    -0.1        0
DAYS MIN <= 32      2               1.9     0.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.56   2006
 MINIMUM         2.72   1987
TOTALS           8.32              5.84    2.48     7.71
DAILY AVG.       0.28              0.19    0.09     0.26
DAYS >= .01        23              18.5     4.5       22
DAYS >= .10        18              12.6     5.4       17
DAYS >= .50         4               3.8     0.2        6
DAYS >= 1.00        1               1.0     0.0        2

SNOWFALL (INCHES)
TOTALS              T                                0.0
SINCE 7/1           T                                0.0
SNOWDEPTH AVG.      0                                  0
GREATEST
 SNOW DEPTH         0                                  0  MM

DEGREE_DAYS
HEATING TOTAL     542               564     -22      402
 SINCE 7/1        975              1112    -137      811
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        345               176     169      260
.................................................................

WIND (MPH)
HIGHEST GUST SPEED/DIRECTION    MM        DATE   MM


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       9
LIGHT RAIN               23     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      0
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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