Climatological Report (Daily)
Issued by NWS
Issued by NWS
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034
CDUS46 KSEW 300826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT MON SEP 30 2024
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 342 PM 81 1992 67 -4 59
1993
MINIMUM 49 719 AM 37 1954 51 -2 46
AVERAGE 56 59 -3 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.92 1951 0.07 -0.07 0.00
MONTH TO DATE 0.62 1.53 -0.91 3.44
SINCE OCT 1 35.72 39.26 -3.54 32.71
SINCE JAN 1 18.57 23.32 -4.75 17.82
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.3 8.1
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 6 3 12
MONTH TO DATE 99 97 2 98
SINCE SEP 1 99 97 2 98
SINCE JUL 1 137 152 -15 110
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 42 30 12 26
SINCE SEP 1 42 30 12 26
SINCE JAN 1 315 263 52 378
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 400 AM
LOWEST 44 300 PM
AVERAGE 62
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 82 1992
MINIMUM TEMPERATURE (F) 51 36 1950
SUNRISE AND SUNSET
SEPTEMBER 30 2024.....SUNRISE 708 AM PDT SUNSET 649 PM PDT
OCTOBER 1 2024.......SUNRISE 709 AM PDT SUNSET 647 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$