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