511
CDUS43 KLSX 122228
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
428 PM CST FRI DEC 12 2025
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR DECEMBER 12 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 33 359 PM 74 1889 45 -12 36
MINIMUM 27 418 AM -7 1962 28 -1 19
AVERAGE 30 36 -6 28
PRECIPITATION (IN)
TODAY 0.00 1.43 1923 0.06 -0.06 0.00
MONTH TO DATE 0.11 0.82 -0.71 0.05
SINCE DEC 1 0.11 0.82 -0.71 0.05
SINCE JAN 1 34.34 40.16 -5.82 44.65
SNOWFALL (IN)
TODAY 0.0 4.0 1898 0.1 -0.1 0.0
MONTH TO DATE 2.6 1.1 1.5 T
SINCE DEC 1 2.6 1.1 1.5 T
SINCE JUL 1 3.6 1.9 1.7 3.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 35 29 6 37
MONTH TO DATE 402 329 73 387
SINCE DEC 1 402 329 73 387
SINCE JUL 1 1151 1236 -85 1060
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1469 1447 22 1500
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 800 AM
LOWEST 78 1200 AM
AVERAGE 87
......................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 75 1948
MINIMUM TEMPERATURE (F) 27 -6 1917
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 718 AM CST SUNSET 447 PM CST
DECEMBER 13 2025......SUNRISE 719 AM CST SUNSET 448 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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