Climatological Report (Daily)
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089
CDUS46 KSEW 060118
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT SAT SEP 05 2026

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 5 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         70    448 PM  90    2024  75     -5       77
  MINIMUM         52    417 AM  42    1947  55     -3       58
  AVERAGE         61                        65     -4       68

PRECIPITATION (IN)
  TODAY            0.00          1.09 2013   0.04  -0.04     0.00
  MONTH TO DATE    0.36                      0.21   0.15     0.00
  SINCE OCT 1     37.27                     37.94  -0.67    28.91
  SINCE JAN 1     20.49                     22.00  -1.51    15.51

SNOWFALL (IN)
  TODAY            0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      3.0                                       2.3
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            4                         2      2        0
  MONTH TO DATE   16                        10      6        0
  SINCE SEP 1     16                        10      6        0
  SINCE JUL 1     41                        65    -24       24

 COOLING
  TODAY            0                         2     -2        3
  MONTH TO DATE    0                        10    -10       18
  SINCE SEP 1      0                        10    -10       18
  SINCE JAN 1    265                       243     22      312
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SE (140)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     2.6


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           200 AM
 LOWEST     61           200 PM
 AVERAGE    75

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        90      2014
 MINIMUM TEMPERATURE (F)   55        44      1947


SUNRISE AND SUNSET
SEPTEMBER  5 2026.....SUNRISE   634 AM PDT   SUNSET   741 PM PDT
SEPTEMBER  6 2026.....SUNRISE   635 AM PDT   SUNSET   739 PM PDT


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




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