Climatological Report (Daily)
Issued by NWS
Issued by NWS
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662 CDUS46 KSEW 200826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT FRI SEP 20 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2024... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 68 356 PM 82 1999 71 -3 67 MINIMUM 52 506 AM 40 1947 53 -1 53 1957 AVERAGE 60 62 -2 60 PRECIPITATION (IN) YESTERDAY 0.00 0.79 1959 0.06 -0.06 T MONTH TO DATE 0.39 0.91 -0.52 0.29 SINCE OCT 1 35.49 38.64 -3.15 29.56 SINCE JAN 1 18.34 22.70 -4.36 14.67 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 0.3 8.1 SINCE JUL 1 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 5 4 1 5 MONTH TO DATE 49 47 2 30 SINCE SEP 1 49 47 2 30 SINCE JUL 1 87 102 -15 42 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 37 28 9 26 SINCE SEP 1 37 28 9 26 SINCE JAN 1 310 261 49 378 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 4.4 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 400 AM LOWEST 56 500 PM AVERAGE 77 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 88 1974 MINIMUM TEMPERATURE (F) 53 40 1949 SUNRISE AND SUNSET SEPTEMBER 20 2024.....SUNRISE 654 AM PDT SUNSET 710 PM PDT SEPTEMBER 21 2024.....SUNRISE 656 AM PDT SUNSET 708 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$