427
CDUS46 KSEW 080119
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT THU SEP 07 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 69 153 PM 94 1981 74 -5 78
MINIMUM 56 552 AM 45 1960 55 1 58
1992
AVERAGE 63 65 -2 68
PRECIPITATION (IN)
TODAY 0.00 0.59 2019 0.04 -0.04 0.00
MONTH TO DATE 0.13 0.30 -0.17 0.07
SINCE OCT 1 29.40 38.03 -8.63 45.30
SINCE JAN 1 14.51 22.09 -7.58 25.20
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 2 2 0 0
MONTH TO DATE 13 14 -1 0
SINCE SEP 1 13 14 -1 0
SINCE JUL 1 25 69 -44 20
COOLING
TODAY 0 2 -2 3
MONTH TO DATE 12 14 -2 15
SINCE SEP 1 12 14 -2 15
SINCE JAN 1 364 247 117 359
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 2.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 800 AM
LOWEST 53 200 PM
AVERAGE 72
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 85 1993
2011
MINIMUM TEMPERATURE (F) 55 43 1950
SUNRISE AND SUNSET
SEPTEMBER 7 2023.....SUNRISE 636 AM PDT SUNSET 738 PM PDT
SEPTEMBER 8 2023.....SUNRISE 637 AM PDT SUNSET 736 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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