332
CDUS46 KSEW 120827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SUN MAY 12 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 11 2024
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 428 PM 87 1971 66 17 75
MINIMUM 55 454 AM 35 1953 48 7 50
AVERAGE 69 57 12 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.47 1954 0.06 -0.06 0.00
2017
MONTH TO DATE 0.28 0.74 -0.46 0.79
SINCE OCT 1 30.83 33.57 -2.74 27.55
SINCE JAN 1 13.68 17.63 -3.95 12.66
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.3 8.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 2
MONTH TO DATE 111 106 5 92
SINCE MAR 1 1080 1075 5 1170
SINCE JUL 1 3970 4122 -152 4257
COOLING
YESTERDAY 4 0 4 0
MONTH TO DATE 7 0 7 0
SINCE MAR 1 7 1 6 0
SINCE JAN 1 7 1 6 0
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 500 AM
LOWEST 23 400 PM
AVERAGE 50
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 82 2023
MINIMUM TEMPERATURE (F) 48 38 1964
1985
2011
SUNRISE AND SUNSET
MAY 12 2024...........SUNRISE 535 AM PDT SUNSET 837 PM PDT
MAY 13 2024...........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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