766
CDUS46 KSEW 180117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT WED MAY 17 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 17 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 80 422 PM 90 2008 67 13 61
MINIMUM 54 416 AM 39 1966 49 5 44
2011
AVERAGE 67 58 9 53
PRECIPITATION (IN)
TODAY 0.00 0.72 1989 0.06 -0.06 0.00
MONTH TO DATE 0.91 1.09 -0.18 2.94
SINCE OCT 1 27.67 33.92 -6.25 41.45
SINCE JAN 1 12.78 17.98 -5.20 21.35
SNOWFALL (IN)
TODAY 0.0 MM MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 7 -7 12
MONTH TO DATE 92 153 -61 239
SINCE MAR 1 1170 1122 48 1321
SINCE JUL 1 4257 4169 88 4578
COOLING
TODAY 2 0 2 0
MONTH TO DATE 29 0 29 0
SINCE MAR 1 29 1 28 0
SINCE JAN 1 29 1 28 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 200 AM
LOWEST 42 400 PM
AVERAGE 65
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 89 1958
MINIMUM TEMPERATURE (F) 49 37 1950
2003
SUNRISE AND SUNSET
MAY 17 2023...........SUNRISE 530 AM PDT SUNSET 842 PM PDT
MAY 18 2023...........SUNRISE 529 AM PDT SUNSET 843 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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