434
CDUS46 KSEW 210131
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
631 PM PDT THU JUL 20 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 20 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 82 412 PM 100 1994 78 4 84
MINIMUM 60 643 AM 50 1953 57 3 59
1955
1962
AVERAGE 71 68 3 72
PRECIPITATION (IN)
TODAY 0.00 0.60 2012 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.42 -0.42 0.18
SINCE OCT 1 28.91 36.58 -7.67 45.18
SINCE JAN 1 14.02 20.64 -6.62 25.08
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 2 26 -24 17
SINCE JUN 1 114 144 -30 157
SINCE JUL 1 2 26 -24 17
COOLING
TODAY 6 4 2 7
MONTH TO DATE 89 52 37 45
SINCE JUN 1 118 81 37 76
SINCE JAN 1 153 91 62 76
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 500 AM
LOWEST 44 400 PM
AVERAGE 62
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 2006
MINIMUM TEMPERATURE (F) 58 48 1951
SUNRISE AND SUNSET
JULY 20 2023..........SUNRISE 533 AM PDT SUNSET 858 PM PDT
JULY 21 2023..........SUNRISE 534 AM PDT SUNSET 857 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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