584
CDUS46 KSEW 290222
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
622 PM PST THU DEC 28 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 55 451 PM 56 1980 47 8 46
MINIMUM 45 411 AM 12 1990 37 8 41
AVERAGE 50 42 8 44
PRECIPITATION (IN)
TODAY 0.06 1.53 1945 0.18 -0.12 0.03
MONTH TO DATE 8.38 5.18 3.20 6.83
SINCE OCT 1 17.05 15.40 1.65 14.17
SINCE JAN 1 34.87 38.80 -3.93 39.55
SNOWFALL (IN)
TODAY 0.0 2.8 1971 0.0
MONTH TO DATE 0.0 4.7
SINCE OCT 1 0.0 5.8
SINCE JUL 1 0.0 5.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 15 23 -8 21
MONTH TO DATE 554 640 -86 748
SINCE DEC 1 554 640 -86 748
SINCE JUL 1 1557 1701 -144 1698
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 378 263 115 394
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 200 AM
LOWEST 57 400 PM
AVERAGE 74
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 54 1975
1976
2017
MINIMUM TEMPERATURE (F) 37 8 1968
SUNRISE AND SUNSET
DECEMBER 28 2023......SUNRISE 756 AM PST SUNSET 425 PM PST
DECEMBER 29 2023......SUNRISE 757 AM PST SUNSET 426 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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