450
CDUS46 KSEW 210221
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PST WED DEC 20 2023
...............................
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 20 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST
VALUE (LST) VALUE YEAR
.................................................
TEMPERATURE (F)
TODAY
MAXIMUM 51 MM 60 1919 38
MINIMUM 37 MM 11 1990 29
AVERAGE 44 34
PRECIPITATION (IN)
TODAY 0.00 2.64 2019 0.49
MONTH TO DATE 6.71 2.30
SINCE OCT 1 14.26 10.25
SINCE JAN 1 33.46 33.33
SNOWFALL (IN)
TODAY 0.0 1.2
MONTH TO DATE 0.0 1.6
SINCE OCT 1 0.0 1.8
SINCE JUL 1 0.0 1.8
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 21 31
MONTH TO DATE 401 534
SINCE DEC 1 401 534
SINCE JUL 1 1277 1442
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 341 406
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WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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