775
CDUS46 KSEW 210117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT THU APR 20 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 20 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 47 1149 AM 81 2016 60 -13 54
MINIMUM 37 446 AM 30 1961 44 -7 38
AVERAGE 42 52 -10 46
PRECIPITATION (IN)
TODAY 0.11 0.49 1946 0.10 0.01 0.08
MONTH TO DATE 3.03 2.28 0.75 1.80
SINCE OCT 1 25.93 31.93 -6.00 37.60
SINCE JAN 1 11.04 15.99 -4.95 17.50
SNOWFALL (IN)
TODAY MM MM MM 0.0
MONTH TO DATE T T
SINCE OCT 1 8.1 9.2
SINCE JUL 1 8.1 9.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 23 13 10 19
MONTH TO DATE 391 293 98 387
SINCE MAR 1 983 850 133 939
SINCE JUL 1 4070 3897 173 4196
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
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 300 PM
LOWEST 55 1000 AM
AVERAGE 71
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 76 1982
MINIMUM TEMPERATURE (F) 44 29 1951
SUNRISE AND SUNSET
APRIL 20 2023.........SUNRISE 612 AM PDT SUNSET 806 PM PDT
APRIL 21 2023.........SUNRISE 610 AM PDT SUNSET 807 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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