600
CDUS46 KSEW 300220
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
620 PM PST FRI DEC 29 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 29 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 63R 213 PM 54 1975 47 16 46
1976
2017
MINIMUM 53 418 AM 8 1968 37 16 41
AVERAGE 58 42 16 44
PRECIPITATION (IN)
TODAY T 1.92 1996 0.18 -0.18 0.35
MONTH TO DATE 8.38 5.36 3.02 7.18
SINCE OCT 1 17.05 15.58 1.47 14.52
SINCE JAN 1 34.87 38.98 -4.11 39.90
SNOWFALL (IN)
TODAY 0.0 2.1 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 7 23 -16 21
MONTH TO DATE 560 663 -103 769
SINCE DEC 1 560 663 -103 769
SINCE JUL 1 1563 1724 -161 1719
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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 13.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 49 1200 AM
LOWEST 36 300 PM
AVERAGE 43
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 56 1945
1958
MINIMUM TEMPERATURE (F) 37 6 1968
SUNRISE AND SUNSET
DECEMBER 29 2023......SUNRISE 757 AM PST SUNSET 426 PM PST
DECEMBER 30 2023......SUNRISE 757 AM PST SUNSET 427 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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