414
CDUS46 KSEW 230828
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT TUE MAY 23 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 22 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 65 302 PM 86 1969 68 -3 71
MINIMUM 49 1159 PM 37 1960 50 -1 46
AVERAGE 57 59 -2 59
PRECIPITATION (IN)
YESTERDAY 0.01 0.67 1984 0.05 -0.04 0.00
MONTH TO DATE 0.93 1.37 -0.44 3.18
SINCE OCT 1 27.69 34.20 -6.51 41.69
SINCE JAN 1 12.80 18.26 -5.46 21.59
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 MM
DEGREE DAYS
HEATING
YESTERDAY 8 7 1 6
MONTH TO DATE 109 188 -79 295
SINCE MAR 1 1187 1157 30 1377
SINCE JUL 1 4274 4204 70 4634
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 31 0 31 0
SINCE MAR 1 31 1 30 0
SINCE JAN 1 31 1 30 0
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WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 300 AM
LOWEST 43 300 PM
AVERAGE 67
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 1969
MINIMUM TEMPERATURE (F) 50 37 1950
1980
SUNRISE AND SUNSET
MAY 23 2023...........SUNRISE 524 AM PDT SUNSET 849 PM PDT
MAY 24 2023...........SUNRISE 523 AM PDT SUNSET 850 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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