872
CDUS46 KSEW 210829
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
129 AM PDT SUN APR 21 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 20 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 72 1217 PM 81 2016 60 12 47
MINIMUM 45 1139 PM 30 1961 44 1 37
AVERAGE 59 52 7 42
PRECIPITATION (IN)
YESTERDAY T 0.49 1946 0.10 -0.10 0.31
MONTH TO DATE 0.40 2.28 -1.88 3.23
SINCE OCT 1 30.06 31.93 -1.87 26.13
SINCE JAN 1 12.91 15.99 -3.08 11.24
SNOWFALL (IN)
YESTERDAY MM MM MM 0.0
MONTH TO DATE 0.0 T
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.3 8.1
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 6 13 -7 23
MONTH TO DATE 293 293 0 391
SINCE MAR 1 842 850 -8 983
SINCE JUL 1 3732 3897 -165 4070
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
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 13.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 600 PM
LOWEST 19 1100 AM
AVERAGE 45
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 76 1982
MINIMUM TEMPERATURE (F) 44 29 1951
SUNRISE AND SUNSET
APRIL 21 2024.........SUNRISE 608 AM PDT SUNSET 808 PM PDT
APRIL 22 2024.........SUNRISE 607 AM PDT SUNSET 809 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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