Climatological Report (Daily)
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654
CDUS46 KSEW 150128
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
628 PM PDT MON SEP 14 2026

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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         67    217 PM  93    1979  72     -5       68
  MINIMUM         54    422 AM  46    1947  54      0       57
                                      1955
                                      1986
  AVERAGE         61                        63     -2       63

PRECIPITATION (IN)
  TODAY            0.00          0.73 1949   0.05  -0.05      T
  MONTH TO DATE    1.02                      0.64   0.38     0.06
  SINCE OCT 1     37.93                     38.37  -0.44    28.97
  SINCE JAN 1     21.15                     22.43  -1.28    15.57

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                         3      1        2
  MONTH TO DATE   41                        30     11        7
  SINCE SEP 1     41                        30     11        7
  SINCE JUL 1     66                        85    -19       31

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    1                        23    -22       22
  SINCE SEP 1      1                        23    -22       22
  SINCE JAN 1    266                       256     10      316
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     7.3


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           500 AM
 LOWEST     50           400 PM
 AVERAGE    70

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        93      1967
 MINIMUM TEMPERATURE (F)   54        42      1952


SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE   646 AM PDT   SUNSET   723 PM PDT
SEPTEMBER 15 2026.....SUNRISE   647 AM PDT   SUNSET   721 PM PDT


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




$$