504
CDUS46 KSEW 230827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SUN JUL 23 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 22 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
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 533 PM 96 2006 79 2 72
MINIMUM 56 427 AM 49 1954 58 -2 57
1973
AVERAGE 69 68 1 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.33 1952 0.01 -0.01 0.00
2016
MONTH TO DATE 0.00 0.45 -0.45 0.18
SINCE OCT 1 28.91 36.61 -7.70 45.18
SINCE JAN 1 14.02 20.67 -6.65 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 28 -26 17
SINCE JUN 1 114 146 -32 157
SINCE JUL 1 2 28 -26 17
COOLING
YESTERDAY 4 4 0 0
MONTH TO DATE 96 60 36 49
SINCE JUN 1 125 89 36 80
SINCE JAN 1 160 99 61 80
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 700 AM
LOWEST 38 400 PM
AVERAGE 64
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 99 1991
MINIMUM TEMPERATURE (F) 58 47 1955
1963
SUNRISE AND SUNSET
JULY 23 2023..........SUNRISE 536 AM PDT SUNSET 854 PM PDT
JULY 24 2023..........SUNRISE 537 AM PDT SUNSET 853 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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