Climatological Report (Daily)
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517
CDUS46 KSEW 280135
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
635 PM PDT THU MAR 27 2025

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 27 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         60   1104 AM  71    1994  56      4       53
  MINIMUM         47    615 AM  26    1975  41      6       43
  AVERAGE         54                        48      6       48

PRECIPITATION (IN)
  TODAY            0.07          0.64 1968   0.13  -0.06     0.54
                                      2005
  MONTH TO DATE    4.72                      3.69   1.03     2.13
  SINCE OCT 1     23.52                     29.17  -5.65    29.64
  SINCE JAN 1     10.12                     13.23  -3.11    12.49

SNOWFALL (IN)
  TODAY           MM             T    1988                   0.0
                                      2008
  MONTH TO DATE    0.0                                       0.3
  SINCE OCT 1      2.3                                       0.3
  SINCE JUL 1      2.3                                       0.3
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           11                        17     -6       17
  MONTH TO DATE  483                       493    -10      487
  SINCE MAR 1    483                       493    -10      487
  SINCE JUL 1   3640                      3540    100     3398

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     6.9


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     49          1200 PM
 AVERAGE    71

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        73      1994
 MINIMUM TEMPERATURE (F)   41        26      1954


SUNRISE AND SUNSET
MARCH 27 2025.........SUNRISE   657 AM PDT   SUNSET   733 PM PDT
MARCH 28 2025.........SUNRISE   655 AM PDT   SUNSET   734 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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