Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 200826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SUN JUL 20 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 19 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 607 PM 95 1988 78 -8 84
2015
MINIMUM 55 1159 PM 48 1962 57 -2 57
AVERAGE 63 68 -5 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.45 1993 0.01 -0.01 0.00
MONTH TO DATE T 0.40 -0.40 0.00
SINCE OCT 1 27.76 36.56 -8.80 33.49
SINCE JAN 1 14.36 20.62 -6.26 16.34
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 1 1 0
MONTH TO DATE 9 25 -16 2
SINCE JUN 1 103 143 -40 134
SINCE JUL 1 9 25 -16 2
COOLING
YESTERDAY 0 4 -4 6
MONTH TO DATE 87 48 39 136
SINCE JUN 1 129 77 52 155
SINCE JAN 1 132 87 45 162
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1200 AM
LOWEST 49 300 PM
AVERAGE 67
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 100 1994
MINIMUM TEMPERATURE (F) 57 50 1953
1955
1962
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 533 AM PDT SUNSET 857 PM PDT
JULY 21 2025..........SUNRISE 535 AM PDT SUNSET 856 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$