Climatological Report (Daily)
Issued by NWS
Issued by NWS
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595 CDUS46 KSEW 100826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT TUE SEP 10 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 67 417 PM 89 1963 74 -7 81 MINIMUM 58 634 AM 40 1952 55 3 56 AVERAGE 63 64 -1 69 PRECIPITATION (IN) YESTERDAY T 0.61 1982 0.04 -0.04 0.00 MONTH TO DATE T 0.39 -0.39 0.13 SINCE OCT 1 35.10 38.12 -3.02 29.40 SINCE JAN 1 17.95 22.18 -4.23 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 2 2 0 0 MONTH TO DATE 2 18 -16 15 SINCE SEP 1 2 18 -16 15 SINCE JUL 1 38 73 -35 27 COOLING YESTERDAY 0 2 -2 4 MONTH TO DATE 37 18 19 16 SINCE SEP 1 37 18 19 16 SINCE JAN 1 310 251 59 368 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 5.6 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 90 300 AM LOWEST 68 200 PM AVERAGE 79 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 92 2022 MINIMUM TEMPERATURE (F) 55 39 1952 SUNRISE AND SUNSET SEPTEMBER 10 2024.....SUNRISE 641 AM PDT SUNSET 730 PM PDT SEPTEMBER 11 2024.....SUNRISE 642 AM PDT SUNSET 728 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$