159
CDUS46 KSEW 130121
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT SAT APR 12 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 12 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 55 426 PM 79 2008 58 -3 57
MINIMUM 41 612 AM 33 1968 43 -2 45
2022
AVERAGE 48 50 -2 51
PRECIPITATION (IN)
TODAY 0.03 0.85 2017 0.11 -0.08 T
MONTH TO DATE 1.95 1.41 0.54 0.40
SINCE OCT 1 25.91 31.06 -5.15 30.27
SINCE JAN 1 12.51 15.12 -2.61 13.12
SNOWFALL (IN)
TODAY 0.0 0.3 1968 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 17 14 3 14
MONTH TO DATE 173 184 -11 193
SINCE MAR 1 719 741 -22 742
SINCE JUL 1 3876 3788 88 3653
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 3 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 400 AM
LOWEST 44 200 PM
AVERAGE 67
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 75 1980
MINIMUM TEMPERATURE (F) 43 32 1945
2022
SUNRISE AND SUNSET
APRIL 12 2025.........SUNRISE 626 AM PDT SUNSET 755 PM PDT
APRIL 13 2025.........SUNRISE 624 AM PDT SUNSET 756 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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