Climatological Report (Daily)
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868
CDUS46 KSEW 120826
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SAT JUL 12 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 11 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         84    359 PM  98    2007  77      7       83
  MINIMUM         59    454 AM  49    1960  56      3       57
  AVERAGE         72                        67      5       70

PRECIPITATION (IN)
  YESTERDAY        0.00          0.25 1983   0.03  -0.03     0.00
  MONTH TO DATE    T                         0.27  -0.27     0.00
  SINCE OCT 1     27.76                     36.43  -8.67    33.49
  SINCE JAN 1     14.36                     20.49  -6.13    16.34

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                         1     -1        0
  MONTH TO DATE    5                        17    -12        2
  SINCE JUN 1     99                       135    -36      134
  SINCE JUL 1      5                        17    -12        2

 COOLING
  YESTERDAY        7                         3      4        5
  MONTH TO DATE   33                        23     10       87
  SINCE JUN 1     75                        52     23      106
  SINCE JAN 1     78                        62     16      113
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           400 AM
 LOWEST     26           500 PM
 AVERAGE    54

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        97      1961
 MINIMUM TEMPERATURE (F)   57        47      1954


SUNRISE AND SUNSET
JULY 12 2025..........SUNRISE   525 AM PDT   SUNSET   904 PM PDT
JULY 13 2025..........SUNRISE   526 AM PDT   SUNSET   903 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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