Climatological Report (Daily)
Issued by NWS
Issued by NWS
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249 CDUS46 KSEW 190826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT THU SEP 19 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 70 305 PM 85 1991 71 -1 67 MINIMUM 55 1159 PM 38 1947 53 2 54 AVERAGE 63 62 1 61 PRECIPITATION (IN) YESTERDAY T 0.81 2021 0.05 -0.05 0.11 MONTH TO DATE 0.39 0.85 -0.46 0.29 SINCE OCT 1 35.49 38.58 -3.09 29.56 SINCE JAN 1 18.34 22.64 -4.30 14.67 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 4 -2 4 MONTH TO DATE 44 43 1 25 SINCE SEP 1 44 43 1 25 SINCE JUL 1 82 98 -16 37 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 37 27 10 26 SINCE SEP 1 37 27 10 26 SINCE JAN 1 310 260 50 378 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (350) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 5.6 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 55 300 PM AVERAGE 78 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 82 1999 MINIMUM TEMPERATURE (F) 53 40 1947 1957 SUNRISE AND SUNSET SEPTEMBER 19 2024.....SUNRISE 653 AM PDT SUNSET 712 PM PDT SEPTEMBER 20 2024.....SUNRISE 654 AM PDT SUNSET 710 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$