305
CDUS46 KSEW 190837
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
137 AM PDT MON AUG 19 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 78 313 PM 88 1991 78 0 75
MINIMUM 60 1036 PM 47 1951 57 3 57
AVERAGE 69 67 2 66
PRECIPITATION (IN)
YESTERDAY T 1.63 1975 0.04 -0.04 0.00
MONTH TO DATE 0.47 0.48 -0.01 0.04
SINCE OCT 1 33.91 37.24 -3.33 29.04
SINCE JAN 1 16.76 21.30 -4.54 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 11 -9 0
SINCE JUN 1 141 160 -19 114
SINCE JUL 1 9 42 -33 2
COOLING
YESTERDAY 4 3 1 1
MONTH TO DATE 67 67 0 136
SINCE JUN 1 250 192 58 284
SINCE JAN 1 257 202 55 319
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 37 300 PM
AVERAGE 67
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 95 2016
MINIMUM TEMPERATURE (F) 57 47 1945
1947
SUNRISE AND SUNSET
AUGUST 19 2024........SUNRISE 612 AM PDT SUNSET 813 PM PDT
AUGUST 20 2024........SUNRISE 613 AM PDT SUNSET 811 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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