


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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467 CDUS46 KSEW 040826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT MON AUG 04 2025 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 71 326 PM 94 2017 79 -8 82 MINIMUM 56 542 AM 46 1956 58 -2 57 AVERAGE 64 68 -4 70 PRECIPITATION (IN) YESTERDAY 0.00 0.47 1996 0.03 -0.03 0.00 MONTH TO DATE 0.00 0.07 -0.07 0.00 SINCE OCT 1 27.77 36.83 -9.06 33.65 SINCE JAN 1 14.37 20.89 -6.52 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 1 0 1 0 MONTH TO DATE 1 0 1 0 SINCE JUN 1 116 149 -33 139 SINCE JUL 1 22 31 -9 7 COOLING YESTERDAY 0 4 -4 5 MONTH TO DATE 2 12 -10 25 SINCE JUN 1 163 137 26 208 SINCE JAN 1 166 147 19 215 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 5.9 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 100 AM LOWEST 50 700 PM AVERAGE 70 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 95 1993 MINIMUM TEMPERATURE (F) 58 44 1950 SUNRISE AND SUNSET AUGUST 4 2025........SUNRISE 552 AM PDT SUNSET 838 PM PDT AUGUST 5 2025........SUNRISE 553 AM PDT SUNSET 837 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$