397
CDUS46 KSEW 210835
CLISEW
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
135 AM PDT THU SEP 21 2023
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..THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 20 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 66 MM 85 1974 76
MINIMUM 48 MM 41 1895 53
AVERAGE 57 65
PRECIPITATION (IN)
YESTERDAY 0.15 1.10 1923 0.00
MONTH TO DATE 0.50 0.10
SINCE OCT 1 31.02 40.08
SINCE JAN 1 16.01 23.05
SNOWFALL (IN)
YESTERDAY 0.0 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.6 5.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 0
MONTH TO DATE 30 14
SINCE SEP 1 30 14
SINCE JUL 1 35 33
COOLING
YESTERDAY 0 0
MONTH TO DATE 23 41
SINCE SEP 1 23 41
SINCE JAN 1 341 391
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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.
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