CXUS53 KLSX 012247
CLACOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
447 PM CST THU JAN 01 2026

...................................

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE YEAR OF 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART                       
                VALUE   DATE(S)   VALUE   FROM                         
                                          NORMAL                       
................................................
TEMPERATURE (F)
RECORD
 HIGH            113   07/14/1954                                      
                       07/12/1954                                      
 LOW             -26   02/12/1899                                      
HIGHEST           98   08/16                                         
LOWEST            -6   02/20                                         
AVG. MAXIMUM    66.6               66.0     0.6                        
AVG. MINIMUM    46.2               46.1     0.1                        
MEAN            56.4               56.0     0.4                        
DAYS MAX >= 90    35                                                   
DAYS MAX <= 32    28                                                   
DAYS MAX >= 100    0                                                   
DAYS MIN <= 32    90                                                   
DAYS MIN <= 0      5                                                   

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       62.49   1993                                            
 MINIMUM       21.35   1901                                            
TOTALS         35.09              41.43   -6.34                        
DAYS >= .01       95                                                   
DAYS >= .10       57                                                   
DAYS >= .50       24                                                   
DAYS >= 1.00      11                                                   
GREATEST
 24 HR. TOTAL   3.24   06/03 TO 06/04                                  

SNOWFALL (INCHES)
RECORDS
 TOTAL          49.4   1960                                            
 24 HR TOTAL    17.5   02/01/2011                        
TOTALS          19.0               16.5     2.5                        
SINCE 7/1        3.6                4.2    -0.6                        
DAYS >= TRACE     22                                                   
DAYS >= 1.0        7                                                   
GREATEST
 SNOW DEPTH        6   01/12                                           
                       01/11                                           
                       01/06                                           
 24 HR TOTAL     5.5   01/05 TO 01/06                                  

DEGREE DAYS
HEATING TOTAL   4470               4681    -211                        
 SINCE 7/1      1641               1832    -191                        
COOLING TOTAL   1469               1447      22                                               
................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    44/240    DATE  04/20                  
                                44/180          03/14                  
HIGHEST GUST SPEED/DIRECTION    62/170    DATE  03/14                  


WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM             44     HAIL                       0          
FOG W/VIS <= 1/4 MILE    28                                            

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


...ANNUAL...

TIED 5TH MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 
70 DEGREES (197 DAYS).

TIED 5TH MOST DAYS WITH A LOW TEMPERATURE GREATER THAN OR EQUAL TO 
50 DEGREES (184 DAYS).


...SEASONAL...

TIED 7TH WARMEST METEOROLOGICAL SPRING ON RECORD (57.9 DEGREES).

TIED 9TH WARMEST FALL (60.0 DEGREES).


...MONTHLY...

TIED LEAST DAYS WITH MEASURABLE PRECIPITATION WITHIN THE MONTH OF 
DECEMBER (2 DAYS. ALSO SET IN 1955 AND 1908).

7TH WARMEST MARCH (52.2 DEGREES).

2ND DRIEST AUGUST (0.11 INCHES).


...DAILY...

4 RECORD HIGH TEMPERATURES SET OR TIED (12/28, 11/14, 03/18, AND 
02/03).

RECORD LOW MAXIMUM TEMPERATURE OF 13 DEGREES SET ON 02/19. PREVIOUS 
15 IN 1929.

2 RECORD LOW TEMPERATURES SET (02/21 AND 02/20).

RECORD HIGH MINIMUM TEMMPERATURE OF 77 DEGREES SET ON 06/21. 
PREVIOUS 76 IN 1937.

3 RECORD PRECIPITATION VALUES SET (10/18, 06/13, AND 04/20).

RECORD SNOWFALL VALUE OF 5.0 INCHES SET ON 01/05. PREVIOUS 4.8 IN 
2014.

$$

GOSSELIN