544
CDUS46 KSEW 160942
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
142 AM PST TUE DEC 16 2025
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..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 15 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST
VALUE (LST) VALUE YEAR
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 59 MM 65 1980 48
MINIMUM 49 MM 18 1924 40
AVERAGE 54 44
PRECIPITATION (IN)
YESTERDAY 0.81 1.63 1924 0.01
MONTH TO DATE 3.85 1.73
SINCE OCT 1 13.45 11.16
SINCE JAN 1 30.01 34.52
SNOWFALL (IN)
YESTERDAY 0.0 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 11 21
MONTH TO DATE 227 340
SINCE DEC 1 227 340
SINCE JUL 1 1044 1278
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 374 342
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WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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