Climatological Report (Daily)
Issued by NWS
Issued by NWS
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319 CDUS46 KSEW 150845 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 145 AM PDT SUN SEP 15 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 66 110 PM 93 1979 72 -6 77 MINIMUM 56 1159 PM 46 1947 54 2 54 1955 1986 AVERAGE 61 63 -2 66 PRECIPITATION (IN) YESTERDAY 0.09 0.73 1949 0.05 0.04 0.00 MONTH TO DATE 0.37 0.64 -0.27 0.18 SINCE OCT 1 35.47 38.37 -2.90 29.45 SINCE JAN 1 18.32 22.43 -4.11 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 MM DEGREE DAYS HEATING YESTERDAY 4 3 1 0 MONTH TO DATE 23 30 -7 19 SINCE SEP 1 23 30 -7 19 SINCE JUL 1 59 85 -26 31 COOLING YESTERDAY 0 1 -1 1 MONTH TO DATE 37 23 14 20 SINCE SEP 1 37 23 14 20 SINCE JAN 1 310 256 54 372 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (150) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 6.4 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 PM LOWEST 65 100 PM AVERAGE 79 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 93 1967 MINIMUM TEMPERATURE (F) 54 42 1952 SUNRISE AND SUNSET SEPTEMBER 15 2024.....SUNRISE 647 AM PDT SUNSET 720 PM PDT SEPTEMBER 16 2024.....SUNRISE 649 AM PDT SUNSET 718 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$