731
CDUS46 KSEW 160835
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PDT MON OCT 16 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 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 63 1031 AM 77 1991 61 2 77
2022
MINIMUM 54 1159 PM 35 1946 47 7 54
1952
AVERAGE 59 54 5 66
PRECIPITATION (IN)
YESTERDAY 0.04 0.93 1951 0.12 -0.08 0.00
MONTH TO DATE 1.49 1.50 -0.01 0.01
SINCE OCT 1 1.49 1.50 -0.01 0.01
SINCE JAN 1 19.31 24.90 -5.59 25.39
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0.0
DEGREE DAYS
HEATING
YESTERDAY 6 11 -5 0
MONTH TO DATE 87 134 -47 40
SINCE SEP 1 195 236 -41 75
SINCE JUL 1 207 291 -84 95
COOLING
YESTERDAY 0 0 0 1
MONTH TO DATE 0 0 0 6
SINCE SEP 1 26 30 -4 43
SINCE JAN 1 378 263 115 387
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 PM
LOWEST 67 800 AM
AVERAGE 80
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 88 2022
MINIMUM TEMPERATURE (F) 47 32 1946
SUNRISE AND SUNSET
OCTOBER 16 2023.......SUNRISE 729 AM PDT SUNSET 620 PM PDT
OCTOBER 17 2023.......SUNRISE 731 AM PDT SUNSET 618 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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