000 CDUS46 KSEW 230827 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 127 AM PDT SAT OCT 23 2021 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 56 1154 AM 70 1965 58 -2 54 MINIMUM 47 1109 PM 34 1950 46 1 40 AVERAGE 52 52 0 47 PRECIPITATION (IN) YESTERDAY 0.06 1.26 2014 0.15 -0.09 0.00 MONTH TO DATE 2.07 2.44 -0.37 2.41 SINCE OCT 1 2.07 2.44 -0.37 2.41 SINCE JAN 1 25.30 25.84 -0.54 28.92 SNOWFALL (IN) YESTERDAY MM MM MM 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 0.0 0.0 SINCE JUL 1 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 13 13 0 18 MONTH TO DATE 271 220 51 173 SINCE SEP 1 382 322 60 223 SINCE JUL 1 421 377 44 258 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 23 30 -7 71 SINCE JAN 1 377 263 114 332 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (180) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.9 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 400 AM LOWEST 83 900 AM AVERAGE 90 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 58 73 1965 1992 MINIMUM TEMPERATURE (F) 45 32 1953 SUNRISE AND SUNSET OCTOBER 23 2021.......SUNRISE 740 AM PDT SUNSET 606 PM PDT OCTOBER 24 2021.......SUNRISE 742 AM PDT SUNSET 604 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$