747
CDUS46 KSEW 160826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED APR 16 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 15 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 66 316 PM 75 2021 59 7 56
MINIMUM 46 516 AM 33 1967 43 3 44
AVERAGE 56 51 5 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.75 1950 0.11 -0.11 0.00
MONTH TO DATE 1.95 1.75 0.20 0.40
SINCE OCT 1 25.91 31.40 -5.49 30.27
SINCE JAN 1 12.51 15.46 -2.95 13.12
SNOWFALL (IN)
YESTERDAY 0.0 T 1968 0.0
1986
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 9 14 -5 15
MONTH TO DATE 208 226 -18 231
SINCE MAR 1 754 783 -29 780
SINCE JUL 1 3911 3830 81 3691
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 8 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 500 AM
LOWEST 45 500 PM
AVERAGE 64
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 81 1947
1999
MINIMUM TEMPERATURE (F) 43 34 1960
1972
1976
SUNRISE AND SUNSET
APRIL 16 2025.........SUNRISE 618 AM PDT SUNSET 801 PM PDT
APRIL 17 2025.........SUNRISE 616 AM PDT SUNSET 802 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page