651  
CDUS43 KLSX 110732  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
232 AM CDT THU MAY 11 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 10 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 215 PM 91 1928 75 7 90  
1963  
MINIMUM 63 628 AM 31 1966 56 7 71  
AVERAGE 73 66 7 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.22 1921 0.15 -0.14 0.00  
MONTH TO DATE 0.54 1.63 -1.09 2.58  
SINCE MAR 1 8.14 9.86 -1.72 10.77  
SINCE JAN 1 12.50 14.68 -2.18 15.68  
 
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 MAR 1 T 2.5 -2.5 0.9  
SINCE JUL 1 5.4 16.6 -11.2 12.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 28 36 -8 45  
SINCE MAR 1 839 874 -35 809  
SINCE JUL 1 3920 4393 -473 3986  
 
COOLING  
YESTERDAY 8 4 4 16  
MONTH TO DATE 43 29 14 28  
SINCE MAR 1 79 73 6 64  
SINCE JAN 1 79 74 5 64    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 600 AM  
LOWEST 42 400 PM  
AVERAGE 60  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 2022  
MINIMUM TEMPERATURE (F) 56 35 1907  
 
SUNRISE AND SUNSET  
MAY 11 2023...........SUNRISE 553 AM CDT SUNSET 803 PM CDT  
MAY 12 2023...........SUNRISE 552 AM CDT SUNSET 804 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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