557
CDUS46 KSEW 270830
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
130 AM PDT FRI OCT 27 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 26 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 52 311 PM 65 1998 57 -5 53
MINIMUM 37 204 AM 29 1954 45 -8 41
AVERAGE 45 51 -6 47
PRECIPITATION (IN)
YESTERDAY 0.00 2.13 1986 0.16 -0.16 0.00
MONTH TO DATE 2.89 3.07 -0.18 1.30
SINCE OCT 1 2.89 3.07 -0.18 1.30
SINCE JAN 1 20.71 26.47 -5.76 26.68
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
DEGREE DAYS
HEATING
YESTERDAY 20 14 6 18
MONTH TO DATE 182 275 -93 167
SINCE SEP 1 290 377 -87 202
SINCE JUL 1 302 432 -130 222
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 13
SINCE SEP 1 26 30 -4 50
SINCE JAN 1 378 263 115 394
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 700 AM
LOWEST 44 400 PM
AVERAGE 65
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 67 1968
MINIMUM TEMPERATURE (F) 45 31 1970
SUNRISE AND SUNSET
OCTOBER 27 2023.......SUNRISE 745 AM PDT SUNSET 600 PM PDT
OCTOBER 28 2023.......SUNRISE 747 AM PDT SUNSET 558 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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