CDUS46 KSEW 190827 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 127 AM PDT THU MAR 19 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 18 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 57 118 PM 76 2019 55 2 50 MINIMUM 50 1159 PM 29 1954 40 10 34 AVERAGE 54 47 7 42 PRECIPITATION (IN) YESTERDAY 0.23 1.86 1997 0.14 0.09 T MONTH TO DATE 4.66 2.50 2.16 2.51 SINCE OCT 1 28.63 27.98 0.65 21.31 SINCE JAN 1 11.85 12.04 -0.19 7.91 SNOWFALL (IN) YESTERDAY 0.0 0.8 1973 0.0 MONTH TO DATE 3.0 0.0 SINCE OCT 1 3.0 2.3 SINCE JUL 1 3.0 2.3 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 11 18 -7 23 MONTH TO DATE 343 339 4 360 SINCE MAR 1 343 339 4 360 SINCE JUL 1 3093 3386 -293 3517 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 10.1 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 87 100 PM AVERAGE 94 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 79 2019 MINIMUM TEMPERATURE (F) 40 27 1965 SUNRISE AND SUNSET MARCH 19 2026.........SUNRISE 714 AM PDT SUNSET 721 PM PDT MARCH 20 2026.........SUNRISE 712 AM PDT SUNSET 722 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$