445
CDUS46 KSEW 230931
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
131 AM PST SAT DEC 23 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 45 808 AM 57 2005 46 -1 26
MINIMUM 37 1042 PM 14 1983 37 0 18
AVERAGE 41 42 -1 22
PRECIPITATION (IN)
YESTERDAY 0.67 1.28 1964 0.19 0.48 T
MONTH TO DATE 7.54 4.06 3.48 3.09
SINCE OCT 1 16.21 14.28 1.93 10.43
SINCE JAN 1 34.03 37.68 -3.65 35.81
SNOWFALL (IN)
YESTERDAY MM 2.2 1968 T
MONTH TO DATE 0.0 4.7
SINCE OCT 1 0.0 5.8
SINCE JUL 1 0.0 5.8
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 24 24 0 43
MONTH TO DATE 435 501 -66 629
SINCE DEC 1 435 501 -66 629
SINCE JUL 1 1438 1562 -124 1579
COOLING
YESTERDAY 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 5 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 85 1000 AM
AVERAGE 91
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 58 1950
MINIMUM TEMPERATURE (F) 37 9 1983
SUNRISE AND SUNSET
DECEMBER 23 2023......SUNRISE 755 AM PST SUNSET 422 PM PST
DECEMBER 24 2023......SUNRISE 755 AM PST SUNSET 422 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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