304
CDUS46 KSEW 150830
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
130 AM PDT SAT JUL 15 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 14 2023
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)
YESTERDAY
MAXIMUM 87 448 PM 91 1996 78 9 80
MINIMUM 58 515 AM 50 1982 57 1 53
AVERAGE 73 67 6 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.74 1957 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.32 -0.32 0.16
SINCE OCT 1 28.91 36.48 -7.57 45.16
SINCE JAN 1 14.02 20.54 -6.52 25.06
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 20 -18 14
SINCE JUN 1 114 138 -24 154
SINCE JUL 1 2 20 -18 14
COOLING
YESTERDAY 8 3 5 2
MONTH TO DATE 48 32 16 32
SINCE JUN 1 77 61 16 63
SINCE JAN 1 112 71 41 63
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 500 AM
LOWEST 26 400 PM
AVERAGE 52
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 2018
MINIMUM TEMPERATURE (F) 57 49 1982
SUNRISE AND SUNSET
JULY 15 2023..........SUNRISE 528 AM PDT SUNSET 902 PM PDT
JULY 16 2023..........SUNRISE 529 AM PDT SUNSET 901 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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