Climatological Report (Daily)
Issued by NWS
Issued by NWS
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069
CDUS46 KSEW 160833
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
133 AM PDT MON SEP 16 2024
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 64 500 PM 93 1967 72 -8 84
MINIMUM 53 710 AM 42 1952 54 -1 54
AVERAGE 59 63 -4 69
PRECIPITATION (IN)
YESTERDAY 0.02 0.69 1959 0.05 -0.03 0.00
MONTH TO DATE 0.39 0.69 -0.30 0.18
SINCE OCT 1 35.49 38.42 -2.93 29.45
SINCE JAN 1 18.34 22.48 -4.14 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 6 3 3 0
MONTH TO DATE 29 33 -4 19
SINCE SEP 1 29 33 -4 19
SINCE JUL 1 65 88 -23 31
COOLING
YESTERDAY 0 1 -1 4
MONTH TO DATE 37 24 13 24
SINCE SEP 1 37 24 13 24
SINCE JAN 1 310 257 53 376
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 63 400 PM
AVERAGE 78
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1967
MINIMUM TEMPERATURE (F) 54 44 1952
1992
SUNRISE AND SUNSET
SEPTEMBER 16 2024.....SUNRISE 649 AM PDT SUNSET 718 PM PDT
SEPTEMBER 17 2024.....SUNRISE 650 AM PDT SUNSET 716 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$