Climatological Report (Daily)
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811
CDUS46 KSEW 020121
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT SUN SEP 01 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         82    429 PM  91    1987  75      7       78
  MINIMUM         61    614 AM  46    1973  56      5       60
  AVERAGE         72                        66      6       69

PRECIPITATION (IN)
  TODAY            0.00          0.55 1978   0.04  -0.04     0.00
  MONTH TO DATE    0.00                      0.04  -0.04     0.00
  SINCE OCT 1     35.10                     37.77  -2.67    29.27
  SINCE JAN 1     17.95                     21.83  -3.88    14.38

SNOWFALL (IN)
  TODAY            0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.3                                       8.1
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE    0                         2     -2        0
  SINCE SEP 1      0                         2     -2        0
  SINCE JUL 1     36                        57    -21       12

 COOLING
  TODAY            7                         2      5        4
  MONTH TO DATE    7                         2      5        4
  SINCE SEP 1      7                         2      5        4
  SINCE JAN 1    280                       235     45      356
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     4.1


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           600 AM
 LOWEST     45           300 PM
 AVERAGE    66

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        98      1988
 MINIMUM TEMPERATURE (F)   56        41      1960


SUNRISE AND SUNSET
SEPTEMBER  1 2024.....SUNRISE   629 AM PDT   SUNSET   748 PM PDT
SEPTEMBER  2 2024.....SUNRISE   630 AM PDT   SUNSET   746 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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