097
CDUS46 KSEW 170828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT MON APR 17 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 16 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 51 311 PM 81 1947 59 -8 48
1999
MINIMUM 38 1159 PM 34 1960 43 -5 37
1972
1976
AVERAGE 45 51 -6 43
PRECIPITATION (IN)
YESTERDAY 0.34 0.95 1992 0.11 0.23 0.01
MONTH TO DATE 2.73 1.86 0.87 1.35
SINCE OCT 1 25.63 31.51 -5.88 37.15
SINCE JAN 1 10.74 15.57 -4.83 17.05
SNOWFALL (IN)
YESTERDAY 0.0 1.1 1972 0.0
MONTH TO DATE T T
SINCE OCT 1 8.1 9.2
SINCE JUL 1 8.1 9.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 14 6 22
MONTH TO DATE 305 240 65 315
SINCE MAR 1 897 797 100 867
SINCE JUL 1 3984 3844 140 4124
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1000 AM
LOWEST 66 300 PM
AVERAGE 78
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 80 2016
2021
MINIMUM TEMPERATURE (F) 43 33 1964
SUNRISE AND SUNSET
APRIL 17 2023.........SUNRISE 617 AM PDT SUNSET 801 PM PDT
APRIL 18 2023.........SUNRISE 615 AM PDT SUNSET 803 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