690
CDUS46 KSEW 190927
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST TUE DEC 19 2023
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..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 18 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 46 MM 58 1917 42
MINIMUM 37 MM 12 1924 31
AVERAGE 42 37
PRECIPITATION (IN)
YESTERDAY 0.10 1.32 1932 0.02
MONTH TO DATE 6.49 1.73
SINCE OCT 1 14.04 9.68
SINCE JAN 1 33.24 32.76
SNOWFALL (IN)
YESTERDAY 0.0 0.2
MONTH TO DATE 0.0 0.4
SINCE OCT 1 0.0 0.6
SINCE JUL 1 0.0 0.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 28
MONTH TO DATE 361 470
SINCE DEC 1 361 470
SINCE JUL 1 1237 1378
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.
LIGHT RAIN
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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