CDUS46 KSEW 210826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT SUN JUN 21 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 20 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 71 334 PM 88 2004 72 -1 63 2018 MINIMUM 54 513 AM 43 1960 54 0 51 AVERAGE 63 63 0 57 PRECIPITATION (IN) YESTERDAY 0.00 1.14 1984 0.05 -0.05 T MONTH TO DATE 1.24 1.06 0.18 T SINCE OCT 1 35.83 35.77 0.06 27.34 SINCE JAN 1 19.05 19.83 -0.78 13.94 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 3.0 2.3 SINCE JUL 1 3.0 2.3 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 2 3 -1 8 MONTH TO DATE 65 90 -25 70 SINCE JUN 1 65 90 -25 70 SINCE JUL 1 3980 4348 -368 4397 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 44 20 24 28 SINCE JUN 1 44 20 24 28 SINCE JAN 1 54 30 24 31 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 10.1 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 200 AM LOWEST 44 400 PM AVERAGE 64 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 89 19922021 MINIMUM TEMPERATURE (F) 54 43 1947 SUNRISE AND SUNSET JUNE 21 2026..........SUNRISE 512 AM PDT SUNSET 910 PM PDT JUNE 22 2026..........SUNRISE 512 AM PDT SUNSET 910 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$