535
CDUS46 KSEW 310827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT TUE OCT 31 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 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 58 222 PM 66 1967 56 2 56
MINIMUM 37 318 AM 30 1991 44 -7 50
AVERAGE 48 50 -2 53
PRECIPITATION (IN)
YESTERDAY 0.00 1.36 2012 0.18 -0.18 0.29
MONTH TO DATE 2.89 3.74 -0.85 1.87
SINCE OCT 1 2.89 3.74 -0.85 1.87
SINCE JAN 1 20.71 27.14 -6.43 27.25
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 15 2 12
MONTH TO DATE 265 334 -69 218
SINCE SEP 1 373 436 -63 253
SINCE JUL 1 385 491 -106 273
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 13
SINCE SEP 1 26 30 -4 50
SINCE JAN 1 378 263 115 394
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1200 AM
LOWEST 43 1200 PM
AVERAGE 66
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 71 1949
MINIMUM TEMPERATURE (F) 44 30 2003
2006
SUNRISE AND SUNSET
OCTOBER 31 2023.......SUNRISE 751 AM PDT SUNSET 554 PM PDT
NOVEMBER 1 2023......SUNRISE 753 AM PDT SUNSET 552 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