Climatological Report (Daily)
Issued by NWS
Issued by NWS
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073 CDUS46 KSEW 210119 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 619 PM PDT FRI SEP 20 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 64 308 PM 88 1974 71 -7 64 MINIMUM 53 741 AM 40 1949 53 0 51 AVERAGE 59 62 -3 58 PRECIPITATION (IN) TODAY 0.02 1.05 1972 0.05 -0.03 0.41 MONTH TO DATE 0.41 0.96 -0.55 0.70 SINCE OCT 1 35.51 38.69 -3.18 29.97 SINCE JAN 1 18.36 22.75 -4.39 15.08 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 6 4 2 7 MONTH TO DATE 55 51 4 37 SINCE SEP 1 55 51 4 37 SINCE JUL 1 93 106 -13 49 COOLING TODAY 0 1 -1 0 MONTH TO DATE 37 29 8 26 SINCE SEP 1 37 29 8 26 SINCE JAN 1 310 262 48 378 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (190) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 5.5 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 400 AM LOWEST 56 300 PM AVERAGE 76 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 88 1952 1974 MINIMUM TEMPERATURE (F) 53 39 1955 1960 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. $$