547
CDUS46 KSEW 160117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT MON MAY 15 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 15 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 88R 258 PM 85 2007 66 22 59
MINIMUM 63 444 AM 38 1964 49 14 51
AVERAGE 76 58 18 55
PRECIPITATION (IN)
TODAY 0.00 0.81 2011 0.06 -0.06 0.65
MONTH TO DATE 0.79 0.98 -0.19 2.94
SINCE OCT 1 27.55 33.81 -6.26 41.45
SINCE JAN 1 12.66 17.87 -5.21 21.35
SNOWFALL (IN)
TODAY 0.0 T 1974 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 8.1 9.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 8 -8 10
MONTH TO DATE 92 138 -46 215
SINCE MAR 1 1170 1107 63 1297
SINCE JUL 1 4257 4154 103 4554
COOLING
TODAY 11 0 11 0
MONTH TO DATE 28 0 28 0
SINCE MAR 1 28 1 27 0
SINCE JAN 1 28 1 27 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 500 AM
LOWEST 28 300 PM
AVERAGE 42
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 1985
2008
MINIMUM TEMPERATURE (F) 49 40 2003
SUNRISE AND SUNSET
MAY 15 2023...........SUNRISE 532 AM PDT SUNSET 839 PM PDT
MAY 16 2023...........SUNRISE 531 AM PDT SUNSET 841 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