Climatological Report (Monthly)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
480
CXUS53 KLSX 012227
CLMCOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CST THU JAN 01 2026
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 76 12/08/1991
LOW -23 12/20/1901
HIGHEST 73 12/24 60
LOWEST 4 12/14 10
AVG. MAXIMUM 46.9 43.6 3.3 45.9
AVG. MINIMUM 25.0 26.7 -1.7 29.0
MEAN 36.0 35.2 0.8 37.5
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 5 6.3 -1.3 4
DAYS MIN <= 32 24 23.7 0.3 19
DAYS MIN <= 0 0 0.4 -0.4 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.82 1895
MINIMUM 0.19 1955
TOTALS 0.86 2.09 -1.23 2.43
DAILY AVG. 0.03 0.07 -0.04 0.08
DAYS >= .01 2 7.8 -5.8 5
DAYS >= .10 2 4.2 -2.2 2
DAYS >= .50 1 1.3 -0.3 1
DAYS >= 1.00 0 0.5 -0.5 1
GREATEST
24 HR. TOTAL 0.75 12/18
SNOWFALL (INCHES)
RECORDS
TOTAL 17.8 1973
24 HR TOTAL 13.0 12/01/2006
TOTALS 2.6 3.4 -0.8
SINCE 7/1 3.6 4.2 -0.6
DAYS >= 1.0 1
GREATEST
SNOW DEPTH 3 12/02
24 HR TOTAL 2.6 12/01
DEGREE DAYS
HEATING TOTAL 892 925 -33
SINCE 7/1 1641 1833 -194
COOLING TOTAL 0 0 0
SINCE 1/1 1469 1447 22
..............................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 38/310 DATE 12/10
HIGHEST GUST SPEED/DIRECTION 53/320 DATE 12/10
SKY COVER
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 6
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 3 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 6
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
...MONTHLY...
TIED LEAST DAYS WITH MEASURABLE PRECIPITATION (2 DAYS. ALSO SET IN
1955 AND 1908).
...DAILY...
RECORD HIGH TEMPERATURE OF 71 DEGREES TIED ON 12/28. ALSO SET IN
1984.
$$
GOSSELIN