Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 140834
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
134 AM PDT SAT SEP 14 2024
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 13 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 64 444 PM 87 1999 73 -9 74
MINIMUM 52 542 AM 39 1952 54 -2 54
AVERAGE 58 63 -5 64
PRECIPITATION (IN)
YESTERDAY 0.04 0.51 1955 0.05 -0.01 0.00
MONTH TO DATE 0.28 0.59 -0.31 0.18
SINCE OCT 1 35.38 38.32 -2.94 29.45
SINCE JAN 1 18.23 22.38 -4.15 14.56
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 7 3 4 1
MONTH TO DATE 19 27 -8 19
SINCE SEP 1 19 27 -8 19
SINCE JUL 1 55 82 -27 31
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 37 22 15 19
SINCE SEP 1 37 22 15 19
SINCE JAN 1 310 255 55 371
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 PM
LOWEST 58 300 PM
AVERAGE 76
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 93 1979
MINIMUM TEMPERATURE (F) 54 46 1947
1955
1986
SUNRISE AND SUNSET
SEPTEMBER 14 2024.....SUNRISE 646 AM PDT SUNSET 722 PM PDT
SEPTEMBER 15 2024.....SUNRISE 647 AM PDT SUNSET 720 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$