Climatological Report (Daily)
Issued by NWS
Issued by NWS
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953 CDUS46 KSEW 090830 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 130 AM PDT MON SEP 09 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 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 75 340 PM 85 1993 74 1 75 2011 MINIMUM 58 839 AM 43 1950 55 3 52 AVERAGE 67 64 3 64 PRECIPITATION (IN) YESTERDAY 0.00 0.60 1979 0.05 -0.05 0.00 1994 MONTH TO DATE T 0.35 -0.35 0.13 SINCE OCT 1 35.10 38.08 -2.98 29.40 SINCE JAN 1 17.95 22.14 -4.19 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 0 2 -2 1 MONTH TO DATE 0 16 -16 15 SINCE SEP 1 0 16 -16 15 SINCE JUL 1 36 71 -35 27 COOLING YESTERDAY 2 2 0 0 MONTH TO DATE 37 16 21 12 SINCE SEP 1 37 16 21 12 SINCE JAN 1 310 249 61 364 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 7.2 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 800 AM LOWEST 60 400 PM AVERAGE 79 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 89 1963 MINIMUM TEMPERATURE (F) 55 40 1952 SUNRISE AND SUNSET SEPTEMBER 9 2024.....SUNRISE 639 AM PDT SUNSET 732 PM PDT SEPTEMBER 10 2024.....SUNRISE 641 AM PDT SUNSET 730 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$