255
CDUS46 KSEW 190120
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
620 PM PDT TUE JUL 18 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 18 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 81 438 PM 93 1995 78 3 74
MINIMUM 58 508 AM 47 1952 57 1 54
AVERAGE 70 68 2 64
PRECIPITATION (IN)
TODAY 0.00 0.29 2007 0.02 -0.02 0.01
MONTH TO DATE 0.00 0.39 -0.39 0.18
SINCE OCT 1 28.91 36.55 -7.64 45.18
SINCE JAN 1 14.02 20.61 -6.59 25.08
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 1
MONTH TO DATE 2 24 -22 17
SINCE JUN 1 114 142 -28 157
SINCE JUL 1 2 24 -22 17
COOLING
TODAY 5 3 2 0
MONTH TO DATE 73 44 29 34
SINCE JUN 1 102 73 29 65
SINCE JAN 1 137 83 54 65
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 400 AM
LOWEST 33 400 PM
AVERAGE 54
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1988
2015
MINIMUM TEMPERATURE (F) 57 48 1962
SUNRISE AND SUNSET
JULY 18 2023..........SUNRISE 531 AM PDT SUNSET 900 PM PDT
JULY 19 2023..........SUNRISE 532 AM PDT SUNSET 859 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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