798
CDUS46 KSEW 210927
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST SUN DEC 21 2025
...............................
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 20 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST
VALUE (LST) VALUE YEAR
.................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 48 MM 60 1919 54
MINIMUM 41 MM 11 1990 45
AVERAGE 45 50
PRECIPITATION (IN)
YESTERDAY 0.21 2.64 2019 0.03
MONTH TO DATE 5.86 3.82
SINCE OCT 1 15.46 13.25
SINCE JAN 1 32.02 36.61
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 20 15
MONTH TO DATE 317 422
SINCE DEC 1 317 422
SINCE JUL 1 1134 1360
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 374 342
.................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page