Climatological Report (Daily)
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259
CDUS46 KSEW 170116
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT MON JUN 16 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 16 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         74    322 PM  88    1961  71      3       64
                                      1969
  MINIMUM         50    504 AM  42    1954  53     -3       47
  AVERAGE         62                        62      0       56

PRECIPITATION (IN)
  TODAY            0.00          0.52 2005   0.04  -0.04      T
  MONTH TO DATE    0.00                      0.86  -0.86     1.12
  SINCE OCT 1     27.34                     35.57  -8.23    33.42
  SINCE JAN 1     13.94                     19.63  -5.69    16.27

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

DEGREE DAYS
 HEATING
  TODAY            3                         4     -1        9
  MONTH TO DATE   51                        75    -24       99
  SINCE JUN 1     51                        75    -24       99
  SINCE JUL 1   4378                      4333     45     4271

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   28                        16     12        1
  SINCE JUN 1     28                        16     12        1
  SINCE JAN 1     31                        26      5        8
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     5.3


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           500 AM
 LOWEST     28           400 PM
 AVERAGE    56

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        91      1969
 MINIMUM TEMPERATURE (F)   53        43      1954


SUNRISE AND SUNSET
JUNE 16 2025..........SUNRISE   512 AM PDT   SUNSET   909 PM PDT
JUNE 17 2025..........SUNRISE   512 AM PDT   SUNSET   909 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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