526
CDUS46 KSEW 300827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT TUE MAY 30 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 29 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
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 626 PM 85 1973 69 -1 56
MINIMUM 48 608 AM 35 1951 51 -3 48
AVERAGE 58 60 -2 52
PRECIPITATION (IN)
YESTERDAY 0.00 1.83 1969 0.06 -0.06 0.23
MONTH TO DATE 0.93 1.77 -0.84 3.82
SINCE OCT 1 27.69 34.60 -6.91 42.33
SINCE JAN 1 12.80 18.66 -5.86 22.23
SNOWFALL (IN)
YESTERDAY 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 7 6 1 13
MONTH TO DATE 139 230 -91 357
SINCE MAR 1 1217 1199 18 1439
SINCE JUL 1 4304 4246 58 4696
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 35 0 35 0
SINCE MAR 1 35 1 34 0
SINCE JAN 1 35 1 34 0
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 49 500 PM
AVERAGE 71
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 87 1956
2007
MINIMUM TEMPERATURE (F) 51 36 1951
SUNRISE AND SUNSET
MAY 30 2023...........SUNRISE 518 AM PDT SUNSET 856 PM PDT
MAY 31 2023...........SUNRISE 517 AM PDT SUNSET 857 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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