Climatological Report (Daily)
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866
CDUS46 KSEW 020826
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SAT AUG 02 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 1 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    633 PM  92    1949  79     -4       87
                                      2015
  MINIMUM         57    608 AM  48    1945  58     -1       62
  AVERAGE         66                        68     -2       75

PRECIPITATION (IN)
  YESTERDAY        0.00          0.52 1964   0.02  -0.02     0.00
  MONTH TO DATE    0.00                      0.02  -0.02     0.00
  SINCE OCT 1     27.77                     36.78  -9.01    33.65
  SINCE JAN 1     14.37                     20.84  -6.47    16.50

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      2.3                                       0.3
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1    115                       149    -34      139
  SINCE JUL 1     21                        31    -10        7

 COOLING
  YESTERDAY        1                         4     -3       10
  MONTH TO DATE    1                         4     -3       10
  SINCE JUN 1    162                       129     33      193
  SINCE JAN 1    165                       139     26      200
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     5.9


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     51           400 PM
 AVERAGE    72

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        91      2017
 MINIMUM TEMPERATURE (F)   58        46      1953


SUNRISE AND SUNSET
AUGUST  2 2025........SUNRISE   549 AM PDT   SUNSET   841 PM PDT
AUGUST  3 2025........SUNRISE   550 AM PDT   SUNSET   840 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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