


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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866 CDUS46 KSEW 020826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT SAT AUG 02 2025 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 1 2025... 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) YESTERDAY MAXIMUM 75 633 PM 92 1949 79 -4 87 2015 MINIMUM 57 608 AM 48 1945 58 -1 62 AVERAGE 66 68 -2 75 PRECIPITATION (IN) YESTERDAY 0.00 0.52 1964 0.02 -0.02 0.00 MONTH TO DATE 0.00 0.02 -0.02 0.00 SINCE OCT 1 27.77 36.78 -9.01 33.65 SINCE JAN 1 14.37 20.84 -6.47 16.50 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 2.3 0.3 SINCE JUL 1 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 115 149 -34 139 SINCE JUL 1 21 31 -10 7 COOLING YESTERDAY 1 4 -3 10 MONTH TO DATE 1 4 -3 10 SINCE JUN 1 162 129 33 193 SINCE JAN 1 165 139 26 200 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 5.9 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 400 AM LOWEST 51 400 PM AVERAGE 72 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 91 2017 MINIMUM TEMPERATURE (F) 58 46 1953 SUNRISE AND SUNSET AUGUST 2 2025........SUNRISE 549 AM PDT SUNSET 841 PM PDT AUGUST 3 2025........SUNRISE 550 AM PDT SUNSET 840 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$