


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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993 CDUS46 KSEW 070828 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 128 AM PDT MON APR 07 2025 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 6 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1945 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 57 100 AM 78 2007 57 0 47 MINIMUM 48 1159 PM 31 1956 42 6 43 AVERAGE 53 50 3 45 PRECIPITATION (IN) YESTERDAY 0.47 0.63 1963 0.12 0.35 0.03 MONTH TO DATE 0.59 0.72 -0.13 0.14 SINCE OCT 1 24.55 30.37 -5.82 30.01 SINCE JAN 1 11.15 14.43 -3.28 12.86 SNOWFALL (IN) YESTERDAY MM T 1991 0.0 MONTH TO DATE 0.0 0.0 SINCE OCT 1 2.3 0.3 SINCE JUL 1 2.3 0.3 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 12 15 -3 20 MONTH TO DATE 86 95 -9 98 SINCE MAR 1 632 652 -20 647 SINCE JUL 1 3789 3699 90 3558 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 4 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 5.0 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 700 PM LOWEST 34 200 AM AVERAGE 65 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 78 1996 2016 MINIMUM TEMPERATURE (F) 42 29 1952 SUNRISE AND SUNSET APRIL 7 2025.........SUNRISE 635 AM PDT SUNSET 748 PM PDT APRIL 8 2025.........SUNRISE 633 AM PDT SUNSET 749 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$