329
CDUS46 KSEW 010120
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
620 PM PDT SUN APR 30 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 30 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 61 221 PM 85 1976 63 -2 60
MINIMUM 48 508 AM 32 1954 46 2 46
AVERAGE 55 54 1 53
PRECIPITATION (IN)
TODAY 0.00 0.87 1987 0.08 -0.08 0.39
MONTH TO DATE 3.86 3.18 0.68 2.71
SINCE OCT 1 26.76 32.83 -6.07 38.51
SINCE JAN 1 11.87 16.89 -5.02 18.41
SNOWFALL (IN)
TODAY 0.0 T 1954 0.0
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
TODAY 10 11 -1 12
MONTH TO DATE 486 412 74 530
SINCE MAR 1 1078 969 109 1082
SINCE JUL 1 4165 4016 149 4339
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 1 -1 0
SINCE MAR 1 0 1 -1 0
SINCE JAN 1 0 1 -1 0
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 400 AM
LOWEST 59 1200 AM
AVERAGE 71
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 85 2014
MINIMUM TEMPERATURE (F) 46 28 1954
SUNRISE AND SUNSET
APRIL 30 2023.........SUNRISE 554 AM PDT SUNSET 819 PM PDT
MAY 1 2023...........SUNRISE 553 AM PDT SUNSET 821 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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