925  
CXUS53 KLSX 011650  
CLMCOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
1150 AM CDT FRI MAY 01 2026  
   
...............................  
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1890 TO 2026  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 93 04/10/1930  
LOW 14 04/05/1920  
HIGHEST 86 04/14 86  
LOWEST 36 04/05 32  
AVG. MAXIMUM 72.8 67.2 5.6 68.2  
AVG. MINIMUM 49.8 45.6 4.2 48.3  
MEAN 61.3 56.4 4.9 58.2  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 2.9 -2.9 1  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 11.69 1994  
MINIMUM 0.45 2018  
TOTALS 8.14 4.88 3.26 6.46  
DAILY AVG. 0.27 0.16 0.11 0.22  
DAYS >= .01 18 11.3 6.7 16  
DAYS >= .10 11 7.5 3.5 11  
DAYS >= .50 4 3.1 0.9 4  
DAYS >= 1.00 3 1.3 1.7 2  
GREATEST  
24 HR. TOTAL 2.55 04/26 TO 04/27  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 7.1 1980  
24 HR TOTAL 7.1 04/14/1980 TO 04/15/1980  
TOTALS 0.0 0.2 -0.2  
SINCE 7/1 9.2 16.5 -7.3  
DAYS >= 1.0 0  
 
DEGREE DAYS  
HEATING TOTAL 149 285 -136  
SINCE 7/1 3988 4587 -599  
COOLING TOTAL 44 27 17  
SINCE 1/1 88 32 56    
..........................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED/DIRECTION 37/270 DATE 04/03  
HIGHEST GUST SPEED/DIRECTION 56/260 DATE 04/03  
 
SKY COVER  
NUMBER OF DAYS FAIR 16  
NUMBER OF DAYS PC 11  
NUMBER OF DAYS CLOUDY 3  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 9 MIXED PRECIP 1  
HEAVY RAIN 8 RAIN 7  
LIGHT RAIN 19 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 13 FOG W/VIS <= 1/4 MILE 0  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
   
..MONTHLY  
 
 
4TH WARMEST APRIL ON RECORD (61.3 DEGREES).  
 
TIED 5TH MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO  
70 DEGREES (20 DAYS).  
 
8TH WETTEST APRIL (8.14 INCHES).  
 
TIED 2ND MOST DAYS WITH AT LEAST ONE INCH OF PRECIPITATION (3 DAYS).  
 
   
..DAILY  
 
RECORD PRECIPITATION VALUE OF 2.31 INCHES SET ON 04/17. PREVIOUS  
1.32 IN 1995.  
 
 
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