457
CDUS46 KSEW 190827
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT WED AUG 19 2026
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..THE SEATTLE WA WFO CLIMATE SUMMARY FOR AUGUST 18 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST
VALUE (LST) VALUE YEAR
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 MM 89 1940 78
MINIMUM 59 MM 47 1895 59
AVERAGE 71 69
PRECIPITATION (IN)
YESTERDAY 0.00 1.25 1975 0.00
MONTH TO DATE 0.02 1.16
SINCE OCT 1 33.00 31.73
SINCE JAN 1 16.77 15.59
SNOWFALL (IN)
YESTERDAY 0.0 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.2 2.6
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 3 1
SINCE JUN 1 82 79
SINCE JUL 1 15 8
COOLING
YESTERDAY 6 4
MONTH TO DATE 74 89
SINCE JUN 1 230 253
SINCE JAN 1 236 256
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WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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