Climatological Report (Daily)
Issued by NWS
Issued by NWS
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829 CDUS46 KSEW 110826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT WED SEP 11 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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 71 310 PM 92 2022 74 -3 80 MINIMUM 54 1159 PM 39 1952 55 -1 54 AVERAGE 63 64 -1 67 PRECIPITATION (IN) YESTERDAY T 0.64 2004 0.05 -0.05 0.00 MONTH TO DATE T 0.44 -0.44 0.13 SINCE OCT 1 35.10 38.17 -3.07 29.40 SINCE JAN 1 17.95 22.23 -4.28 14.51 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 2 2 0 0 MONTH TO DATE 4 20 -16 15 SINCE SEP 1 4 20 -16 15 SINCE JUL 1 40 75 -35 27 COOLING YESTERDAY 0 1 -1 2 MONTH TO DATE 37 19 18 18 SINCE SEP 1 37 19 18 18 SINCE JAN 1 310 252 58 370 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 6.5 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 97 300 AM LOWEST 36 300 PM AVERAGE 67 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 93 2013 MINIMUM TEMPERATURE (F) 55 40 1952 SUNRISE AND SUNSET SEPTEMBER 11 2024.....SUNRISE 642 AM PDT SUNSET 728 PM PDT SEPTEMBER 12 2024.....SUNRISE 643 AM PDT SUNSET 726 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$