442
CDUS46 KSEW 230826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED APR 23 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 22 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 60 441 PM 78 1977 61 -1 61
2005
MINIMUM 40 503 AM 35 1950 44 -4 43
1964
1972
AVERAGE 50 52 -2 52
PRECIPITATION (IN)
YESTERDAY 0.00 1.28 1996 0.10 -0.10 0.00
MONTH TO DATE 2.36 2.48 -0.12 0.43
SINCE OCT 1 26.32 32.13 -5.81 30.30
SINCE JAN 1 12.92 16.19 -3.27 13.15
SNOWFALL (IN)
YESTERDAY 0.0 T 1978 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 15 13 2 13
MONTH TO DATE 294 319 -25 321
SINCE MAR 1 840 876 -36 870
SINCE JUL 1 3997 3923 74 3781
COOLING
YESTERDAY 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 6 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 500 AM
LOWEST 36 400 PM
AVERAGE 58
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 72 1977
MINIMUM TEMPERATURE (F) 44 31 1954
SUNRISE AND SUNSET
APRIL 23 2025.........SUNRISE 605 AM PDT SUNSET 810 PM PDT
APRIL 24 2025.........SUNRISE 604 AM PDT SUNSET 812 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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