809
CDUS46 KSEW 130119
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT MON MAY 12 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 12 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 67 239 PM 82 2023 66 1 75
MINIMUM 45 233 AM 38 1964 48 -3 51
1985
2011
AVERAGE 56 57 -1 63
PRECIPITATION (IN)
TODAY T 0.71 1996 0.06 -0.06 0.00
MONTH TO DATE 0.02 0.80 -0.78 0.28
SINCE OCT 1 26.53 33.63 -7.10 31.04
SINCE JAN 1 13.13 17.69 -4.56 13.89
SNOWFALL (IN)
TODAY 0.0 MM MM 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 0
DEGREE DAYS
HEATING
TODAY 9 8 1 2
MONTH TO DATE 104 114 -10 113
SINCE MAR 1 1031 1083 -52 1082
SINCE JUL 1 4188 4130 58 3993
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 7
SINCE MAR 1 0 1 -1 7
SINCE JAN 1 0 1 -1 7
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (360)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 33 200 PM
AVERAGE 63
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 2023
MINIMUM TEMPERATURE (F) 48 37 1956
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 536 AM PDT SUNSET 836 PM PDT
MAY 13 2025...........SUNRISE 534 AM PDT SUNSET 838 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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