740
CDUS46 KSEW 140928
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PST THU DEC 14 2023
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 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 51 222 PM 59 1952 47 4 43
MINIMUM 34 355 AM 19 1972 37 -3 32
AVERAGE 43 42 1 38
PRECIPITATION (IN)
YESTERDAY 0.00 1.63 2001 0.18 -0.18 0.00
MONTH TO DATE 6.56 2.43 4.13 2.23
SINCE OCT 1 15.23 12.65 2.58 9.57
SINCE JAN 1 33.05 36.05 -3.00 34.95
SNOWFALL (IN)
YESTERDAY 0.0 0.8 2008 0.0
MONTH TO DATE 0.0 3.4
SINCE OCT 1 0.0 4.5
SINCE JUL 1 0.0 4.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 23 -1 27
MONTH TO DATE 253 292 -39 343
SINCE DEC 1 253 292 -39 343
SINCE JUL 1 1256 1353 -97 1293
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 378 263 115 394
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 52 900 PM
AVERAGE 76
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 59 2002
MINIMUM TEMPERATURE (F) 37 18 1945
SUNRISE AND SUNSET
DECEMBER 14 2023......SUNRISE 749 AM PST SUNSET 418 PM PST
DECEMBER 15 2023......SUNRISE 750 AM PST SUNSET 419 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page