822
CDUS46 KSEW 250826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT MON SEP 25 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 24 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 64 105 PM 89 1974 69 -5 75
MINIMUM 52 425 AM 38 1948 52 0 51
AVERAGE 58 60 -2 63
PRECIPITATION (IN)
YESTERDAY 0.61 0.99 1950 0.06 0.55 0.00
MONTH TO DATE 1.46 1.19 0.27 0.22
SINCE OCT 1 30.73 38.92 -8.19 45.45
SINCE JAN 1 15.84 22.98 -7.14 25.35
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 MM
DEGREE DAYS
HEATING
YESTERDAY 7 5 2 2
MONTH TO DATE 57 69 -12 25
SINCE SEP 1 57 69 -12 25
SINCE JUL 1 69 124 -55 45
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 26 30 -4 31
SINCE SEP 1 26 30 -4 31
SINCE JAN 1 378 263 115 375
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1200 AM
LOWEST 60 100 PM
AVERAGE 78
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 85 1991
MINIMUM TEMPERATURE (F) 52 36 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