Climatological Report (Daily)
Issued by NWS
Issued by NWS
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792 CDUS46 KSEW 170117 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 617 PM PDT MON SEP 16 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 68 459 PM 91 1967 72 -4 78 MINIMUM 50 536 AM 44 1952 54 -4 55 1992 AVERAGE 59 63 -4 67 PRECIPITATION (IN) TODAY 0.00 1.10 1947 0.05 -0.05 0.00 MONTH TO DATE 0.39 0.74 -0.35 0.18 SINCE OCT 1 35.49 38.47 -2.98 29.45 SINCE JAN 1 18.34 22.53 -4.19 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 6 3 3 0 MONTH TO DATE 35 36 -1 19 SINCE SEP 1 35 36 -1 19 SINCE JUL 1 73 91 -18 31 COOLING TODAY 0 1 -1 2 MONTH TO DATE 37 25 12 26 SINCE SEP 1 37 25 12 26 SINCE JAN 1 310 258 52 378 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NE (30) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 7.0 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 AM LOWEST 61 400 PM AVERAGE 77 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 85 1991 MINIMUM TEMPERATURE (F) 54 41 1947 SUNRISE AND SUNSET SEPTEMBER 16 2024.....SUNRISE 649 AM PDT SUNSET 718 PM PDT SEPTEMBER 17 2024.....SUNRISE 650 AM PDT SUNSET 716 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$