176  
CDUS43 KLSX 172227  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
527 PM CDT MON APR 17 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 17 2023
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 67 359 PM 91 1937 69 -2 53  
MINIMUM 43 547 AM 22 1875 48 -5 40  
AVERAGE 55 58 -3 47  
 
PRECIPITATION (IN)  
TODAY 0.00 1.87 1887 0.17 -0.17 0.33  
MONTH TO DATE 2.45 2.52 -0.07 2.03  
SINCE MAR 1 7.48 6.02 1.46 6.82  
SINCE JAN 1 11.84 10.84 1.00 11.73  
 
SNOWFALL (IN)  
TODAY 0.0 2.1 1983 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.1  
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  
TODAY 10 8 2 18  
MONTH TO DATE 114 182 -68 202  
SINCE MAR 1 704 758 -54 686  
SINCE JUL 1 3785 4277 -492 3863  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 26 17 9 0  
SINCE MAR 1 29 24 5 2  
SINCE JAN 1 29 25 4 2    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 18.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 200 AM  
LOWEST 20 400 PM  
AVERAGE 38  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 93 2002  
MINIMUM TEMPERATURE (F) 48 29 1953  
 
SUNRISE AND SUNSET  
APRIL 17 2023.........SUNRISE 623 AM CDT SUNSET 740 PM CDT  
APRIL 18 2023.........SUNRISE 621 AM CDT SUNSET 741 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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