626
CDUS46 KSEW 010833
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
133 AM PDT THU JUN 01 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 31 2023
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 338 PM 90 1964 69 -5 70
MINIMUM 50 720 AM 35 1953 51 -1 47
AVERAGE 57 60 -3 59
PRECIPITATION (IN)
YESTERDAY T 0.97 1977 0.05 -0.05 0.00
MONTH TO DATE 0.93 1.88 -0.95 3.82
SINCE OCT 1 27.69 34.71 -7.02 42.33
SINCE JAN 1 12.80 18.77 -5.97 22.23
SNOWFALL (IN)
YESTERDAY MM MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 8.1 9.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 8 6 2 6
MONTH TO DATE 156 242 -86 375
SINCE MAR 1 1234 1211 23 1457
SINCE JUL 1 4321 4258 63 4714
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 35 9 26 0
SINCE MAR 1 35 10 25 0
SINCE JAN 1 35 10 25 0
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 700 AM
LOWEST 38 400 PM
AVERAGE 56
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 94 1970
MINIMUM TEMPERATURE (F) 51 40 1951
SUNRISE AND SUNSET
JUNE 1 2023..........SUNRISE 516 AM PDT SUNSET 858 PM PDT
JUNE 2 2023..........SUNRISE 516 AM PDT SUNSET 859 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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