CDUS46 KSEW 100116 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 616 PM PDT FRI MAY 09 2025 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 9 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 70 326 PM 86 2020 65 5 74 MINIMUM 44 429 AM 38 1955 48 -4 45 1985 1999 AVERAGE 57 56 1 60 PRECIPITATION (IN) TODAY 0.00 0.74 2000 0.06 -0.06 0.00 MONTH TO DATE T 0.61 -0.61 0.28 SINCE OCT 1 26.51 33.44 -6.93 31.04 SINCE JAN 1 13.11 17.50 -4.39 13.89 SNOWFALL (IN) TODAY 0.0 T 1953 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 2.3 0.3 SINCE JUL 1 2.3 0.3 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 8 9 -1 5 MONTH TO DATE 77 88 -11 111 SINCE MAR 1 1004 1057 -53 1080 SINCE JUL 1 4161 4104 57 3991 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 1 -1 0 SINCE JAN 1 0 1 -1 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (350) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 6.0 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 500 AM LOWEST 24 300 PM AVERAGE 52 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 87 2020 MINIMUM TEMPERATURE (F) 48 37 1947 SUNRISE AND SUNSET MAY 9 2025...........SUNRISE 540 AM PDT SUNSET 832 PM PDT MAY 10 2025...........SUNRISE 538 AM PDT SUNSET 834 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$