Climatological Report (Daily)
Issued by NWS
Issued by NWS
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735 CDUS46 KSEW 130829 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 129 AM PDT FRI SEP 13 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 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 68 353 PM 85 1961 73 -5 69 1975 MINIMUM 55 1159 PM 44 1949 54 1 55 1962 AVERAGE 62 64 -2 62 PRECIPITATION (IN) YESTERDAY 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) 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 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 YESTERDAY 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 4 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 5.3 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 600 AM LOWEST 61 400 PM AVERAGE 79 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 87 1999 MINIMUM TEMPERATURE (F) 54 39 1952 SUNRISE AND SUNSET SEPTEMBER 13 2024.....SUNRISE 645 AM PDT SUNSET 724 PM PDT SEPTEMBER 14 2024.....SUNRISE 646 AM PDT SUNSET 722 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$