874  
CDUS43 KLSX 120732  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
232 AM CDT WED AUG 12 2026  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 11 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 96 208 PM 104 1881 89 7 93  
MINIMUM 80 533 AM 56 1930 70 10 73  
1967  
AVERAGE 88 80 8 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.34 1939 0.12 -0.12 0.00  
MONTH TO DATE 1.79 1.30 0.49 0.03  
SINCE JUN 1 15.74 9.72 6.02 8.99  
SINCE JAN 1 34.41 27.59 6.82 30.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 23 15 8 18  
MONTH TO DATE 164 165 -1 150  
SINCE JUN 1 997 992 5 1103  
SINCE JAN 1 1269 1187 82 1274    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 1200 AM  
LOWEST 49 500 PM  
AVERAGE 64  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 106 1881  
MINIMUM TEMPERATURE (F) 70 51 1967  
 
SUNRISE AND SUNSET  
AUGUST 12 2026........SUNRISE 613 AM CDT SUNSET 800 PM CDT  
AUGUST 13 2026........SUNRISE 614 AM CDT SUNSET 758 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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