629
CDUS46 KSEW 100826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED MAY 10 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 9 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 64 528 PM 86 2020 65 -1 57
MINIMUM 48 444 AM 38 1955 48 0 40
1985
1999
AVERAGE 56 56 0 49
PRECIPITATION (IN)
YESTERDAY T 0.74 2000 0.06 -0.06 0.01
MONTH TO DATE 0.79 0.61 0.18 1.95
SINCE OCT 1 27.55 33.44 -5.89 40.46
SINCE JAN 1 12.66 17.50 -4.84 20.36
SNOWFALL (IN)
YESTERDAY 0.0 T 1953 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 8.1 9.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 9 0 16
MONTH TO DATE 83 88 -5 133
SINCE MAR 1 1161 1057 104 1215
SINCE JUL 1 4248 4104 144 4472
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 1 -1 0
SINCE JAN 1 0 1 -1 0
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WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 400 AM
LOWEST 41 700 PM
AVERAGE 64
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 87 2020
MINIMUM TEMPERATURE (F) 48 37 1947
SUNRISE AND SUNSET
MAY 10 2023...........SUNRISE 539 AM PDT SUNSET 833 PM PDT
MAY 11 2023...........SUNRISE 538 AM PDT SUNSET 834 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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