005
CDUS43 KLSX 182227
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CST THU DEC 18 2025
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR DECEMBER 18 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 58 750 AM 71 1939 43 15 48
MINIMUM 42 1045 AM -8 1901 26 16 29
1983
AVERAGE 50 34 16 39
PRECIPITATION (IN)
TODAY 0.75 3.86 1895 0.06 0.69 0.00
MONTH TO DATE 0.86 1.21 -0.35 2.10
SINCE DEC 1 0.86 1.21 -0.35 2.10
SINCE JAN 1 35.09 40.55 -5.46 46.70
SNOWFALL (IN)
TODAY 0.0 4.8 1945 0.1 -0.1 0.0
MONTH TO DATE 2.6 1.8 0.8 T
SINCE DEC 1 2.6 1.8 0.8 T
SINCE JUL 1 3.6 2.6 1.0 3.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 15 31 -16 26
MONTH TO DATE 593 509 84 532
SINCE DEC 1 593 509 84 532
SINCE JUL 1 1342 1416 -74 1205
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 37 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 16.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 900 AM
LOWEST 50 400 PM
AVERAGE 74
......................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 75 1889
MINIMUM TEMPERATURE (F) 26 -16 1901
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 722 AM CST SUNSET 449 PM CST
DECEMBER 19 2025......SUNRISE 723 AM CST SUNSET 450 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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