365
CDUS46 KSEW 310827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT MON JUL 31 2023
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..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 30 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 77 443 PM 96 2009 79 -2 95
MINIMUM 58 703 AM 48 1951 58 0 63
AVERAGE 68 68 0 79
PRECIPITATION (IN)
YESTERDAY 0.00 0.39 1955 0.02 -0.02 0.00
MONTH TO DATE 0.09 0.58 -0.49 0.18
SINCE OCT 1 29.00 36.74 -7.74 45.18
SINCE JAN 1 14.11 20.80 -6.69 25.08
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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 36 -34 17
SINCE JUN 1 114 154 -40 157
SINCE JUL 1 2 36 -34 17
COOLING
YESTERDAY 3 4 -1 14
MONTH TO DATE 116 92 24 131
SINCE JUN 1 145 121 24 162
SINCE JAN 1 180 131 49 162
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WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 400 AM
LOWEST 36 300 PM
AVERAGE 57
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 2022
MINIMUM TEMPERATURE (F) 58 47 1954
SUNRISE AND SUNSET
JULY 31 2023..........SUNRISE 546 AM PDT SUNSET 845 PM PDT
AUGUST 1 2023........SUNRISE 547 AM PDT SUNSET 843 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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