508
CDUS46 KSEW 300827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SUN JUL 30 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 29 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 204 PM 103 2009 79 -2 95
MINIMUM 56 514 AM 45 1954 58 -2 63
AVERAGE 67 68 -1 79
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 1993 0.01 -0.01 0.00
MONTH TO DATE 0.09 0.56 -0.47 0.18
SINCE OCT 1 29.00 36.72 -7.72 45.18
SINCE JAN 1 14.11 20.78 -6.67 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 35 -33 17
SINCE JUN 1 114 153 -39 157
SINCE JUL 1 2 35 -33 17
COOLING
YESTERDAY 2 4 -2 14
MONTH TO DATE 113 88 25 117
SINCE JUN 1 142 117 25 148
SINCE JAN 1 177 127 50 148
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 39 300 PM
AVERAGE 63
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 2009
MINIMUM TEMPERATURE (F) 58 48 1951
SUNRISE AND SUNSET
JULY 30 2023..........SUNRISE 545 AM PDT SUNSET 846 PM PDT
JULY 31 2023..........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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