Climatological Report (Daily)
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962
CDUS46 KSEW 080827
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT WED OCT 08 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 7 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         75    252 PM  79    2023  64     11       75
  MINIMUM         48    631 AM  37    1983  49     -1       49
  AVERAGE         62                        56      6       62

PRECIPITATION (IN)
  YESTERDAY        0.00          0.71 1962   0.10  -0.10     0.00
  MONTH TO DATE    0.30                      0.62  -0.32     0.42
  SINCE OCT 1      0.30                      0.62  -0.32     0.42
  SINCE JAN 1     16.57                     24.02  -7.45    19.20

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.0                                       0.0
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        3                         9     -6        3
  MONTH TO DATE   39                        54    -15       55
  SINCE SEP 1     90                       156    -66      161
  SINCE JUL 1    114                       211    -97      199

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     34                        30      4       42
  SINCE JAN 1    328                       263     65      315
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     3.8


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           500 AM
 LOWEST     33           400 PM
 AVERAGE    62

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        80      1951
 MINIMUM TEMPERATURE (F)   49        39      1949
                                             1961


SUNRISE AND SUNSET
OCTOBER  8 2025.......SUNRISE   718 AM PDT   SUNSET   634 PM PDT
OCTOBER  9 2025.......SUNRISE   720 AM PDT   SUNSET   632 PM PDT


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




$$