364 CDUS46 KSEW 110132 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE WA 632 PM PDT WED OCT 10 2018 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 2018... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY 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) TODAY 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) TODAY 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 TODAY 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 TODAY 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 1 RESULTANT WIND DIRECTION NE (50) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 4.1 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. 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 TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 83 1991 MINIMUM TEMPERATURE (F) 47 36 1946 SUNRISE AND SUNSET OCTOBER 10 2018.......SUNRISE 721 AM PDT SUNSET 631 PM PDT OCTOBER 11 2018.......SUNRISE 722 AM PDT SUNSET 629 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$