AFOS product CLISTL
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CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
230 AM CDT WED SEP 13 2023

...................................

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 12 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         80    326 PM  98    1897  83     -3       79       
                                      1936                           
                                      1956                           
  MINIMUM         60   1159 PM  44    1940  62     -2       56       
  AVERAGE         70                        72     -2       68     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.05          2.10 1949   0.11  -0.06     0.00     
  MONTH TO DATE    0.23                      1.27  -1.04     1.53     
  SINCE SEP 1      0.23                      1.27  -1.04     1.53     
  SINCE JAN 1     25.23                     30.94  -5.71    40.65     

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 SEP 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 SEP 1      0                         0      0        0        
  SINCE JUL 1      0                         1     -1        0        

 COOLING                                                              
  YESTERDAY        5                         8     -3        3        
  MONTH TO DATE  125                       113     12      101        
  SINCE SEP 1    125                       113     12      101        
  SINCE JAN 1   1695                      1563    132     1795        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (340)       
  AVERAGE WIND SPEED     5.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           200 AM                                      
 LOWEST     37           400 PM                                      
 AVERAGE    64                                                        

..........................................................


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   82       100      1939                      
 MINIMUM TEMPERATURE (F)   62        43      1975                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 13 2023.....SUNRISE   641 AM CDT   SUNSET   713 PM CDT     
SEPTEMBER 14 2023.....SUNRISE   642 AM CDT   SUNSET   712 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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