749  
CDUS43 KLSX 160735  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
235 AM CDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 15 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 75 141 PM 94 1944 77 -2 86  
MINIMUM 63 757 AM 39 1959 58 5 60  
AVERAGE 69 67 2 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.91 1990 0.15 -0.14 0.00  
MONTH TO DATE 1.41 2.44 -1.03 2.58  
SINCE MAR 1 9.01 10.67 -1.66 10.77  
SINCE JAN 1 13.37 15.49 -2.12 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 2 -2 0  
MONTH TO DATE 28 49 -21 45  
SINCE MAR 1 839 887 -48 809  
SINCE JUL 1 3920 4406 -486 3986  
 
COOLING  
YESTERDAY 4 5 -1 8  
MONTH TO DATE 91 50 41 102  
SINCE MAR 1 127 94 33 138  
SINCE JAN 1 127 95 32 138    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 100 AM  
LOWEST 64 100 PM  
AVERAGE 77  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 93 2001  
MINIMUM TEMPERATURE (F) 58 39 1875  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 549 AM CDT SUNSET 808 PM CDT  
MAY 17 2023...........SUNRISE 548 AM CDT SUNSET 809 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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