477
CDUS46 KSEW 260121
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT MON SEP 25 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 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 63 355 PM 85 1991 69 -6 80
MINIMUM 57 405 AM 36 1972 52 5 53
AVERAGE 60 60 0 67
PRECIPITATION (IN)
TODAY 0.51 0.75 2020 0.06 0.45 0.00
MONTH TO DATE 1.97 1.25 0.72 0.22
SINCE OCT 1 31.24 38.98 -7.74 45.45
SINCE JAN 1 16.35 23.04 -6.69 25.35
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 5 5 0 0
MONTH TO DATE 62 74 -12 25
SINCE SEP 1 62 74 -12 25
SINCE JUL 1 74 129 -55 45
COOLING
TODAY 0 0 0 2
MONTH TO DATE 26 30 -4 33
SINCE SEP 1 26 30 -4 33
SINCE JAN 1 378 263 115 377
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 69 400 PM
AVERAGE 80
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 82 2022
MINIMUM TEMPERATURE (F) 52 39 1972
SUNRISE AND SUNSET
SEPTEMBER 25 2023.....SUNRISE 700 AM PDT SUNSET 701 PM PDT
SEPTEMBER 26 2023.....SUNRISE 701 AM PDT SUNSET 659 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page