Climatological Report (Daily)
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581
CDUS46 KSEW 240834
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
134 AM PDT SAT MAY 24 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 23 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         67    458 PM  90    1969  68     -1       61
  MINIMUM         49    421 AM  37    1950  50     -1       47
                                      1980
  AVERAGE         58                        59     -1       54

PRECIPITATION (IN)
  YESTERDAY        0.00          0.70 1962   0.06  -0.06     0.00
  MONTH TO DATE    0.65                      1.43  -0.78     1.20
  SINCE OCT 1     27.16                     34.26  -7.10    31.96
  SINCE JAN 1     13.76                     18.32  -4.56    14.81

SNOWFALL (IN)
  YESTERDAY        0.0           T    1989                   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        7                         6      1       11
  MONTH TO DATE  215                       194     21      219
  SINCE MAR 1   1142                      1163    -21     1188
  SINCE JUL 1   4299                      4210     89     4099

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        7
  SINCE MAR 1      0                         1     -1        7
  SINCE JAN 1      0                         1     -1        7
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           400 AM
 LOWEST     32           500 PM
 AVERAGE    55

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        89      1992
 MINIMUM TEMPERATURE (F)   50        37      1950
                                             1975


SUNRISE AND SUNSET
MAY 24 2025...........SUNRISE   522 AM PDT   SUNSET   851 PM PDT
MAY 25 2025...........SUNRISE   521 AM PDT   SUNSET   852 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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