009
CDUS46 KSEW 190117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT SUN AUG 18 2024
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 78 313 PM 88 1991 78 0 75
MINIMUM 61 535 AM 47 1951 57 4 57
AVERAGE 70 67 3 66
PRECIPITATION (IN)
TODAY 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)
TODAY 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
TODAY 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
TODAY 5 3 2 1
MONTH TO DATE 68 67 1 136
SINCE JUN 1 251 192 59 284
SINCE JAN 1 258 202 56 319
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
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 TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 95 2016
MINIMUM TEMPERATURE (F) 57 47 1945
1947
SUNRISE AND SUNSET
AUGUST 18 2024........SUNRISE 610 AM PDT SUNSET 815 PM PDT
AUGUST 19 2024........SUNRISE 612 AM PDT SUNSET 813 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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