Climatological Report (Daily)
Issued by NWS
Issued by NWS
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697 CDUS46 KSEW 130120 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 620 PM PDT THU SEP 12 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 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 68 353 PM 85 1961 73 -5 69 1975 MINIMUM 55 628 AM 44 1949 54 1 55 1962 AVERAGE 62 64 -2 62 PRECIPITATION (IN) TODAY 0.00 0.60 2004 0.05 -0.05 0.05 MONTH TO DATE 0.24 0.54 -0.30 0.18 SINCE OCT 1 35.34 38.27 -2.93 29.45 SINCE JAN 1 18.19 22.33 -4.14 14.56 SNOWFALL (IN) TODAY 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 TODAY 3 2 1 3 MONTH TO DATE 12 24 -12 18 SINCE SEP 1 12 24 -12 18 SINCE JUL 1 48 79 -31 30 COOLING TODAY 0 1 -1 0 MONTH TO DATE 37 21 16 19 SINCE SEP 1 37 21 16 19 SINCE JAN 1 310 254 56 371 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 4.4 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 600 AM LOWEST 61 400 PM AVERAGE 79 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 87 1999 MINIMUM TEMPERATURE (F) 54 39 1952 SUNRISE AND SUNSET SEPTEMBER 12 2024.....SUNRISE 643 AM PDT SUNSET 726 PM PDT SEPTEMBER 13 2024.....SUNRISE 645 AM PDT SUNSET 724 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$