252
CDUS46 KSEW 170122
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
622 PM PDT TUE MAY 16 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 16 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 78 457 PM 84 1985 67 11 60
2008
MINIMUM 55 431 AM 40 2003 49 6 45
AVERAGE 67 58 9 53
PRECIPITATION (IN)
TODAY T 0.64 1988 0.05 -0.05 T
MONTH TO DATE 0.91 1.03 -0.12 2.94
SINCE OCT 1 27.67 33.86 -6.19 41.45
SINCE JAN 1 12.78 17.92 -5.14 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 8 -8 12
MONTH TO DATE 92 146 -54 227
SINCE MAR 1 1170 1115 55 1309
SINCE JUL 1 4257 4162 95 4566
COOLING
TODAY 2 0 2 0
MONTH TO DATE 27 0 27 0
SINCE MAR 1 27 1 26 0
SINCE JAN 1 27 1 26 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 300 AM
LOWEST 43 400 PM
AVERAGE 65
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 2008
MINIMUM TEMPERATURE (F) 49 39 1966
2011
SUNRISE AND SUNSET
MAY 16 2023...........SUNRISE 531 AM PDT SUNSET 841 PM PDT
MAY 17 2023...........SUNRISE 530 AM PDT SUNSET 842 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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