744
CDUS46 KSEW 200844
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
144 AM PDT THU APR 20 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 19 2023
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)
YESTERDAY
MAXIMUM 51 219 PM 84 2016 60 -9 54
MINIMUM 39 1159 PM 33 1961 44 -5 39
AVERAGE 45 52 -7 47
PRECIPITATION (IN)
YESTERDAY 0.02 1.85 1965 0.11 -0.09 0.14
MONTH TO DATE 2.92 2.18 0.74 1.72
SINCE OCT 1 25.82 31.83 -6.01 37.52
SINCE JAN 1 10.93 15.89 -4.96 17.42
SNOWFALL (IN)
YESTERDAY 0.0 T 1985 0.0
2008
MONTH TO DATE T T
SINCE OCT 1 8.1 9.2
SINCE JUL 1 8.1 9.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 13 7 18
MONTH TO DATE 368 280 88 368
SINCE MAR 1 960 837 123 920
SINCE JUL 1 4047 3884 163 4177
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 9 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 10.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 100 AM
LOWEST 50 200 PM
AVERAGE 67
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 81 2016
MINIMUM TEMPERATURE (F) 44 30 1961
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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