CDUS46 KSEW 190826 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT TUE MAY 19 2026 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 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 66 559 PM 89 1958 67 -1 62 MINIMUM 46 512 AM 37 1950 49 -3 45 2003 AVERAGE 56 58 -2 54 PRECIPITATION (IN) YESTERDAY 0.00 0.72 2005 0.06 -0.06 0.00 MONTH TO DATE 0.49 1.15 -0.66 0.36 SINCE OCT 1 33.94 33.98 -0.04 26.87 SINCE JAN 1 17.16 18.04 -0.88 13.47 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 3.0 2.3 SINCE JUL 1 3.0 2.3 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 9 7 2 11 MONTH TO DATE 130 160 -30 171 SINCE MAR 1 1086 1129 -43 1098 SINCE JUL 1 3836 4176 -340 4255 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 6 0 6 0 SINCE MAR 1 6 1 5 0 SINCE JAN 1 6 1 5 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (120) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 5.2 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 700 AM LOWEST 40 600 PM AVERAGE 63 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 88 1963 MINIMUM TEMPERATURE (F) 49 38 1975 SUNRISE AND SUNSET MAY 19 2026...........SUNRISE 527 AM PDT SUNSET 845 PM PDT MAY 20 2026...........SUNRISE 526 AM PDT SUNSET 846 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$