CDUS46 KSEW 070831 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 131 AM PDT THU MAY 07 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 6 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 57 408 PM 87 2013 64 -7 77 MINIMUM 51 1159 PM 36 1965 47 4 48 2002 AVERAGE 54 56 -2 63 PRECIPITATION (IN) YESTERDAY T 0.89 2009 0.07 -0.07 0.00 MONTH TO DATE T 0.42 -0.42 T SINCE OCT 1 33.45 33.25 0.20 26.51 SINCE JAN 1 16.67 17.31 -0.64 13.11 SNOWFALL (IN) YESTERDAY 0.0 T 1990 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 11 10 1 2 MONTH TO DATE 24 61 -37 48 SINCE MAR 1 980 1030 -50 975 SINCE JUL 1 3730 4077 -347 4132 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 4 0 4 0 SINCE MAR 1 4 1 3 0 SINCE JAN 1 4 1 3 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 7.8 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 700 AM LOWEST 69 300 PM AVERAGE 83 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 82 2016 MINIMUM TEMPERATURE (F) 47 33 1962 SUNRISE AND SUNSET MAY 7 2026...........SUNRISE 543 AM PDT SUNSET 829 PM PDT MAY 8 2026...........SUNRISE 541 AM PDT SUNSET 831 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$