242
CDUS46 KSEW 280829
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
129 AM PDT SUN MAY 28 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 27 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 70 503 PM 89 2005 68 2 62
MINIMUM 51 1159 PM 37 1966 51 0 49
AVERAGE 61 59 2 56
PRECIPITATION (IN)
YESTERDAY 0.00 0.83 1948 0.05 -0.05 T
MONTH TO DATE 0.93 1.65 -0.72 3.44
SINCE OCT 1 27.69 34.48 -6.79 41.95
SINCE JAN 1 12.80 18.54 -5.74 21.85
SNOWFALL (IN)
YESTERDAY 0.0 T 1951 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 4 6 -2 9
MONTH TO DATE 123 218 -95 332
SINCE MAR 1 1201 1187 14 1414
SINCE JUL 1 4288 4234 54 4671
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 8 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 300 AM
LOWEST 45 400 PM
AVERAGE 66
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 92 1983
MINIMUM TEMPERATURE (F) 51 38 1954
SUNRISE AND SUNSET
MAY 28 2023...........SUNRISE 519 AM PDT SUNSET 854 PM PDT
MAY 29 2023...........SUNRISE 518 AM PDT SUNSET 855 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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