532
CDUS46 KSEW 210826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT FRI JUL 21 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 20 2023
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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 553 PM 100 1994 78 4 84
MINIMUM 60 1159 PM 50 1953 57 3 59
1955
1962
AVERAGE 71 68 3 72
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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 7 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 7.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 1100 PM
LOWEST 41 600 PM
AVERAGE 62
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 2006
MINIMUM TEMPERATURE (F) 58 48 1951
SUNRISE AND SUNSET
JULY 21 2023..........SUNRISE 534 AM PDT SUNSET 857 PM PDT
JULY 22 2023..........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.
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