Climatological Report (Daily)
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013
CDUS46 KSEW 150830
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
130 AM PDT SUN JUN 15 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 14 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         68    318 PM  86    1988  71     -3       64
  MINIMUM         49    409 AM  43    1945  53     -4       48
                                      1955
  AVERAGE         59                        62     -3       56

PRECIPITATION (IN)
  YESTERDAY        0.00          0.70 1946   0.05  -0.05     0.01
  MONTH TO DATE    0.00                      0.76  -0.76     1.12
  SINCE OCT 1     27.34                     35.47  -8.13    33.42
  SINCE JAN 1     13.94                     19.53  -5.59    16.27

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      2.3                                       0.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        6                         4      2        9
  MONTH TO DATE   45                        67    -22       79
  SINCE JUN 1     45                        67    -22       79
  SINCE JUL 1   4372                      4325     47     4251

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   28                        14     14        1
  SINCE JUN 1     28                        14     14        1
  SINCE JAN 1     31                        24      7        8
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     7.8


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72          1100 PM
 LOWEST     42           200 PM
 AVERAGE    57

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        88      1963
 MINIMUM TEMPERATURE (F)   53        43      1949


SUNRISE AND SUNSET
JUNE 15 2025..........SUNRISE   512 AM PDT   SUNSET   908 PM PDT
JUNE 16 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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