531
CDUS46 KSEW 180927
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST MON DEC 18 2023
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..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 17 2023
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST
VALUE (LST) VALUE YEAR
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 51 MM 57 1923 40
1994
MINIMUM 33 MM 14 1924 32
AVERAGE 42 36
PRECIPITATION (IN)
YESTERDAY 0.00 1.99 1933 0.12
MONTH TO DATE 6.39 1.71
SINCE OCT 1 13.94 9.66
SINCE JAN 1 33.14 32.74
SNOWFALL (IN)
YESTERDAY 0.0 T
MONTH TO DATE 0.0 0.2
SINCE OCT 1 0.0 0.4
SINCE JUL 1 0.0 0.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 29
MONTH TO DATE 338 442
SINCE DEC 1 338 442
SINCE JUL 1 1214 1350
COOLING
YESTERDAY 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 YESTERDAY.
FOG
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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