325
CDUS46 KSEW 200839
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
139 AM PDT TUE AUG 20 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 77 416 PM 95 2016 77 0 77
MINIMUM 56 632 AM 47 1945 57 -1 52
1947
AVERAGE 67 67 0 65
PRECIPITATION (IN)
YESTERDAY T 0.88 1965 0.03 -0.03 0.00
MONTH TO DATE 0.47 0.51 -0.04 0.04
SINCE OCT 1 33.91 37.27 -3.36 29.04
SINCE JAN 1 16.76 21.33 -4.57 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 12 -10 0
SINCE JUN 1 141 161 -20 114
SINCE JUL 1 9 43 -34 2
COOLING
YESTERDAY 2 3 -1 0
MONTH TO DATE 69 70 -1 136
SINCE JUN 1 252 195 57 284
SINCE JAN 1 259 205 54 319
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 37 400 PM
AVERAGE 62
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 2016
MINIMUM TEMPERATURE (F) 57 45 1945
SUNRISE AND SUNSET
AUGUST 20 2024........SUNRISE 613 AM PDT SUNSET 811 PM PDT
AUGUST 21 2024........SUNRISE 614 AM PDT SUNSET 809 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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