924
CDUS43 KLSX 092232
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
432 PM CST TUE DEC 09 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 9 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 57 228 PM 74 1918 46 11 57
MINIMUM 33 138 AM -5 1876 30 3 42
AVERAGE 45 38 7 50
PRECIPITATION (IN)
TODAY 0.00 0.80 1999 0.07 -0.07 0.01
MONTH TO DATE 0.29 0.72 -0.43 0.20
SINCE DEC 1 0.29 0.72 -0.43 0.20
SINCE JAN 1 38.31 39.92 -1.61 48.13
SNOWFALL (IN)
TODAY 0.0 2.0 1944 0.1 -0.1 0.0
MONTH TO DATE 3.8 0.7 3.1 0.4
SINCE DEC 1 3.8 0.7 3.1 0.4
SINCE JUL 1 10.2 1.6 8.6 3.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 20 27 -7 15
MONTH TO DATE 312 231 81 253
SINCE DEC 1 312 231 81 253
SINCE JUL 1 974 1053 -79 787
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1904 1713 191 2057
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 12.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 800 AM
LOWEST 42 200 PM
AVERAGE 56
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 73 1889
MINIMUM TEMPERATURE (F) 30 -4 1917
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 708 AM CST SUNSET 440 PM CST
DECEMBER 10 2025......SUNRISE 709 AM CST SUNSET 440 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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