995
CDUS46 KSEW 180829
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
129 AM PDT THU APR 18 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 17 2024
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 59 406 PM 80 2016 59 0 51
2021
MINIMUM 36 549 AM 33 1964 43 -7 36
AVERAGE 48 51 -3 44
PRECIPITATION (IN)
YESTERDAY 0.00 0.73 2014 0.11 -0.11 0.05
MONTH TO DATE 0.40 1.97 -1.57 2.78
SINCE OCT 1 30.06 31.62 -1.56 25.68
SINCE JAN 1 12.91 15.68 -2.77 10.79
SNOWFALL (IN)
YESTERDAY 0.0 1.2 1972 0.0
MONTH TO DATE 0.0 T
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.3 8.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 14 3 21
MONTH TO DATE 266 254 12 326
SINCE MAR 1 815 811 4 918
SINCE JUL 1 3705 3858 -153 4005
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 5 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 300 AM
LOWEST 27 300 PM
AVERAGE 51
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 89 2016
MINIMUM TEMPERATURE (F) 44 34 1950
1961
1964
SUNRISE AND SUNSET
APRIL 18 2024.........SUNRISE 614 AM PDT SUNSET 804 PM PDT
APRIL 19 2024.........SUNRISE 612 AM PDT SUNSET 805 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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