221
CDUS46 KSEW 160119
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT TUE AUG 15 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 15 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 95 407 PM 96 2010 78 17 84
MINIMUM 68 533 AM 47 1955 57 11 58
AVERAGE 82 68 14 71
PRECIPITATION (IN)
TODAY 0.00 1.20 1950 0.04 -0.04 0.00
MONTH TO DATE 0.04 0.38 -0.34 0.03
SINCE OCT 1 29.04 37.14 -8.10 45.21
SINCE JAN 1 14.15 21.20 -7.05 25.11
SNOWFALL (IN)
TODAY MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 8 -8 2
SINCE JUN 1 114 157 -43 159
SINCE JUL 1 2 39 -37 19
COOLING
TODAY 17 3 14 6
MONTH TO DATE 107 58 49 63
SINCE JUN 1 255 183 72 240
SINCE JAN 1 290 193 97 240
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (360)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 600 AM
LOWEST 26 400 PM
AVERAGE 47
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 98 1967
2020
MINIMUM TEMPERATURE (F) 57 47 1946
SUNRISE AND SUNSET
AUGUST 15 2023........SUNRISE 605 AM PDT SUNSET 821 PM PDT
AUGUST 16 2023........SUNRISE 607 AM PDT SUNSET 819 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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