518
CDUS46 KSEW 300117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT MON JUL 29 2024
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 29 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 69 1256 PM 103 2009 79 -10 77
MINIMUM 58 654 AM 45 1954 58 0 56
AVERAGE 64 68 -4 67
PRECIPITATION (IN)
TODAY 0.13 0.17 1993 0.01 0.12 0.00
MONTH TO DATE 0.13 0.56 -0.43 0.09
SINCE OCT 1 33.41 36.72 -3.31 29.00
SINCE JAN 1 16.26 20.78 -4.52 14.11
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 MM
DEGREE DAYS
HEATING
TODAY 1 1 0 0
MONTH TO DATE 7 35 -28 2
SINCE JUN 1 139 153 -14 114
SINCE JUL 1 7 35 -28 2
COOLING
TODAY 0 4 -4 2
MONTH TO DATE 155 88 67 113
SINCE JUN 1 174 117 57 142
SINCE JAN 1 181 127 54 177
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 70 200 PM
AVERAGE 82
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 2009
MINIMUM TEMPERATURE (F) 58 48 1951
SUNRISE AND SUNSET
JULY 29 2024..........SUNRISE 544 AM PDT SUNSET 846 PM PDT
JULY 30 2024..........SUNRISE 546 AM PDT SUNSET 845 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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