636
CDUS46 KSEW 140844
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
144 AM PDT SUN MAY 14 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 13 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 86R 436 PM 85 2018 66 20 58
MINIMUM 55 444 AM 37 1956 48 7 40
AVERAGE 71 57 14 49
PRECIPITATION (IN)
YESTERDAY 0.00 0.44 2009 0.06 -0.06 T
MONTH TO DATE 0.79 0.86 -0.07 2.26
SINCE OCT 1 27.55 33.69 -6.14 40.77
SINCE JAN 1 12.66 17.75 -5.09 20.67
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 0 8 -8 16
MONTH TO DATE 92 122 -30 196
SINCE MAR 1 1170 1091 79 1278
SINCE JUL 1 4257 4138 119 4535
COOLING
YESTERDAY 6 0 6 0
MONTH TO DATE 8 0 8 0
SINCE MAR 1 8 1 7 0
SINCE JAN 1 8 1 7 0
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WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION N (0)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 500 AM
LOWEST 28 400 PM
AVERAGE 49
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 88 2018
MINIMUM TEMPERATURE (F) 49 36 1964
SUNRISE AND SUNSET
MAY 14 2023...........SUNRISE 534 AM PDT SUNSET 838 PM PDT
MAY 15 2023...........SUNRISE 532 AM PDT SUNSET 839 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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