165
CDUS46 KSEW 210827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT WED AUG 21 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 245 PM 91 2016 77 -9 80
MINIMUM 58 1152 PM 45 1945 57 1 58
AVERAGE 63 67 -4 69
PRECIPITATION (IN)
YESTERDAY 0.17 0.70 2008 0.04 0.13 0.00
MONTH TO DATE 0.64 0.55 0.09 0.04
SINCE OCT 1 34.08 37.31 -3.23 29.04
SINCE JAN 1 16.93 21.37 -4.44 14.15
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 2 1 1 0
MONTH TO DATE 4 13 -9 0
SINCE JUN 1 143 162 -19 114
SINCE JUL 1 11 44 -33 2
COOLING
YESTERDAY 0 3 -3 4
MONTH TO DATE 69 73 -4 140
SINCE JUN 1 252 198 54 288
SINCE JAN 1 259 208 51 323
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 63 300 PM
AVERAGE 77
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 2018
MINIMUM TEMPERATURE (F) 57 44 1947
SUNRISE AND SUNSET
AUGUST 21 2024........SUNRISE 614 AM PDT SUNSET 809 PM PDT
AUGUST 22 2024........SUNRISE 616 AM PDT SUNSET 807 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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