


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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836 CDUS46 KSEW 100116 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 616 PM PDT THU OCT 09 2025 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 62 359 PM 79 1996 63 -1 61 MINIMUM 51 700 AM 35 1960 49 2 53 AVERAGE 57 56 1 57 PRECIPITATION (IN) TODAY 0.04 1.27 1953 0.11 -0.07 T MONTH TO DATE 0.34 0.83 -0.49 0.78 SINCE OCT 1 0.34 0.83 -0.49 0.78 SINCE JAN 1 16.61 24.23 -7.62 19.56 SNOWFALL (IN) TODAY 0.0 MM MM 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 0.0 0.0 SINCE JUL 1 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 8 9 -1 8 MONTH TO DATE 57 72 -15 68 SINCE SEP 1 108 174 -66 174 SINCE JUL 1 132 229 -97 212 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 34 30 4 42 SINCE JAN 1 328 263 65 315 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 3.5 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 300 AM LOWEST 48 300 PM AVERAGE 72 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 63 77 1987 MINIMUM TEMPERATURE (F) 48 34 1946 2019 SUNRISE AND SUNSET OCTOBER 9 2025.......SUNRISE 720 AM PDT SUNSET 632 PM PDT OCTOBER 10 2025.......SUNRISE 721 AM PDT SUNSET 630 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$