Climatological Report (Daily)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
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CDUS46 KSEW 210827
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT MON SEP 21 2026
...................................
...THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST
VALUE (LST) VALUE YEAR
.....................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 MM 85 1974 78
MINIMUM 49 MM 41 1895 52
AVERAGE 60 65
PRECIPITATION (IN)
YESTERDAY 0.00 1.10 1923 0.00
MONTH TO DATE 0.76 0.05
SINCE OCT 1 34.36 31.78
SINCE JAN 1 18.13 15.64
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 5 0
MONTH TO DATE 40 10
SINCE SEP 1 40 10
SINCE JUL 1 56 19
COOLING
YESTERDAY 0 0
MONTH TO DATE 4 48
SINCE SEP 1 4 48
SINCE JAN 1 289 372
.....................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$