Climatological Report (Daily)
Issued by NWS
Issued by NWS
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515 CDUS46 KSEW 200116 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 616 PM PDT THU SEP 19 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2024... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY 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) TODAY 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) TODAY MM 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 MM DEGREE DAYS HEATING TODAY 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 TODAY 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 2 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 4.1 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 97 400 AM LOWEST 59 200 PM AVERAGE 78 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 88 1974 MINIMUM TEMPERATURE (F) 53 40 1949 SUNRISE AND SUNSET SEPTEMBER 19 2024.....SUNRISE 653 AM PDT SUNSET 712 PM PDT SEPTEMBER 20 2024.....SUNRISE 654 AM PDT SUNSET 710 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$