027 CDUS46 KSEW 100829 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE WA 128 AM PDT WED OCT 10 2018 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 59 359 PM 79 1996 62 -3 64 MINIMUM 51 900 PM 35 1960 47 4 43 AVERAGE 55 55 0 54 PRECIPITATION (IN) YESTERDAY 0.09 1.27 1953 0.09 0.00 0.00 MONTH TO DATE 1.09 0.70 0.39 0.03 SINCE OCT 1 1.09 0.70 0.39 0.03 SINCE JAN 1 21.54 22.79 -1.25 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 10 10 0 11 MONTH TO DATE 98 82 16 83 SINCE SEP 1 190 214 -24 161 SINCE JUL 1 214 299 -85 168 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 6 RESULTANT WIND DIRECTION N (0) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (10) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 7.5 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1200 AM LOWEST 72 300 PM AVERAGE 83 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 62 77 1987 MINIMUM TEMPERATURE (F) 47 34 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. $$