643
CDUS46 KSEW 310118
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT SUN JUL 30 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 30 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 77 443 PM 96 2009 79 -2 95
MINIMUM 58 703 AM 48 1951 58 0 63
AVERAGE 68 68 0 79
PRECIPITATION (IN)
TODAY 0.00 0.39 1955 0.02 -0.02 0.00
MONTH TO DATE 0.09 0.58 -0.49 0.18
SINCE OCT 1 29.00 36.74 -7.74 45.18
SINCE JAN 1 14.11 20.80 -6.69 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 36 -34 17
SINCE JUN 1 114 154 -40 157
SINCE JUL 1 2 36 -34 17
COOLING
TODAY 3 4 -1 14
MONTH TO DATE 116 92 24 131
SINCE JUN 1 145 121 24 162
SINCE JAN 1 180 131 49 162
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 400 AM
LOWEST 36 300 PM
AVERAGE 57
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 2022
MINIMUM TEMPERATURE (F) 58 47 1954
SUNRISE AND SUNSET
JULY 30 2023..........SUNRISE 545 AM PDT SUNSET 846 PM PDT
JULY 31 2023..........SUNRISE 546 AM PDT SUNSET 845 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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