956 CDUS46 KSEW 110849 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE WA 148 AM PDT THU OCT 11 2018 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1945 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 64 244 PM 77 1987 62 2 60 MINIMUM 49 211 AM 34 1946 47 2 45 AVERAGE 57 54 3 53 PRECIPITATION (IN) YESTERDAY 0.00 1.13 2015 0.09 -0.09 T MONTH TO DATE 1.09 0.79 0.30 0.03 SINCE OCT 1 1.09 0.79 0.30 0.03 SINCE JAN 1 21.54 22.88 -1.34 29.04 SNOWFALL (IN) YESTERDAY 0.0 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 0 DEGREE DAYS HEATING YESTERDAY 8 11 -3 12 MONTH TO DATE 106 93 13 95 SINCE SEP 1 198 225 -27 173 SINCE JUL 1 222 310 -88 180 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 19 21 -2 75 SINCE JAN 1 404 189 215 392 .................................................................. WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (10) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 5.2 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 200 AM LOWEST 56 200 PM AVERAGE 75 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 83 1991 MINIMUM TEMPERATURE (F) 47 36 1946 SUNRISE AND SUNSET OCTOBER 11 2018.......SUNRISE 722 AM PDT SUNSET 629 PM PDT OCTOBER 12 2018.......SUNRISE 724 AM PDT SUNSET 627 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$