145
CDUS46 KSEW 220828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT SUN OCT 22 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 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 58 244 PM 72 1965 59 -1 53
MINIMUM 52 1153 PM 32 1949 46 6 46
AVERAGE 55 52 3 50
PRECIPITATION (IN)
YESTERDAY T 1.61 2017 0.14 -0.14 0.31
MONTH TO DATE 2.12 2.29 -0.17 0.32
SINCE OCT 1 2.12 2.29 -0.17 0.32
SINCE JAN 1 19.94 25.69 -5.75 25.70
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 MM
DEGREE DAYS
HEATING
YESTERDAY 10 13 -3 15
MONTH TO DATE 126 207 -81 83
SINCE SEP 1 234 309 -75 118
SINCE JUL 1 246 364 -118 138
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 4 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 5.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 700 PM
LOWEST 77 900 PM
AVERAGE 89
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 70 1965
MINIMUM TEMPERATURE (F) 46 34 1950
SUNRISE AND SUNSET
OCTOBER 22 2023.......SUNRISE 738 AM PDT SUNSET 609 PM PDT
OCTOBER 23 2023.......SUNRISE 739 AM PDT SUNSET 607 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