Climatological Report (Daily)
Issued by NWS
Issued by NWS
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809 CDUS46 KSEW 120827 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 127 AM PDT THU SEP 12 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 67 354 PM 93 2013 73 -6 73 MINIMUM 53 140 AM 40 1952 55 -2 58 AVERAGE 60 64 -4 66 PRECIPITATION (IN) YESTERDAY 0.24 0.58 1956 0.05 0.19 0.00 MONTH TO DATE 0.24 0.49 -0.25 0.13 SINCE OCT 1 35.34 38.22 -2.88 29.40 SINCE JAN 1 18.19 22.28 -4.09 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 MM DEGREE DAYS HEATING YESTERDAY 5 2 3 0 MONTH TO DATE 9 22 -13 15 SINCE SEP 1 9 22 -13 15 SINCE JUL 1 45 77 -32 27 COOLING YESTERDAY 0 1 -1 1 MONTH TO DATE 37 20 17 19 SINCE SEP 1 37 20 17 19 SINCE JAN 1 310 253 57 371 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (130) AVERAGE WIND SPEED 5.0 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 600 AM LOWEST 66 300 PM AVERAGE 83 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 85 1961 1975 MINIMUM TEMPERATURE (F) 54 44 1949 1962 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. $$