000 CDUS46 KSEW 100826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT MON MAY 10 2021 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 9 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 64 424 PM 86 2020 65 -1 86 MINIMUM 48 602 AM 38 1999 48 0 62 AVERAGE 56 56 0 74 PRECIPITATION (IN) YESTERDAY 0.10 0.74 2000 0.06 0.04 0.00 MONTH TO DATE 0.41 0.61 -0.20 0.41 SINCE OCT 1 32.29 33.44 -1.15 31.90 SINCE JAN 1 17.48 17.50 -0.02 18.56 DEGREE DAYS HEATING YESTERDAY 9 9 0 0 MONTH TO DATE 90 88 2 73 SINCE MAR 1 1040 1057 -17 1062 SINCE JUL 1 3937 4104 -167 3994 COOLING YESTERDAY 0 0 0 9 MONTH TO DATE 0 0 0 9 SINCE MAR 1 0 1 -1 9 SINCE JAN 1 0 1 -1 9 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (320) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 5.5 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 97 500 AM LOWEST 46 300 PM AVERAGE 72 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 87 2020 MINIMUM TEMPERATURE (F) 48 37 1947 SUNRISE AND SUNSET MAY 10 2021...........SUNRISE 538 AM PDT SUNSET 834 PM PDT MAY 11 2021...........SUNRISE 537 AM PDT SUNSET 835 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$