AFOS product CLISTL
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CDUS43 KLSX 230729
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT SAT SEP 23 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 22 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         95R   317 PM  95    1956  78     17       90       
  MINIMUM         71    615 AM  40    1995  58     13       68       
                                      1974                          
  AVERAGE         83                        68     15       79      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.77 1993   0.11  -0.11     0.00    
  MONTH TO DATE    0.27                      2.27  -2.00     4.68    
  SINCE SEP 1      0.27                      2.27  -2.00     4.68    
  SINCE JAN 1     30.57                     30.02   0.55    33.16    
                                                                     
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                         2     -2        0       
  MONTH TO DATE    6                        15     -9        0       
  SINCE SEP 1      6                        15     -9        0       
  SINCE JUL 1      6                        16    -10        0       
                                                                     
 COOLING                                                             
  YESTERDAY       18                         5     13       14       
  MONTH TO DATE  188                       174     14      271       
  SINCE SEP 1    188                       174     14      271       
  SINCE JAN 1   1790                      1573    217     1976       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     6.3                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     30           300 PM                                     
 AVERAGE    62                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        94      1891                    
                                             1881                    
 MINIMUM TEMPERATURE (F)   57        36      1974                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 23 2017.....SUNRISE   650 AM CDT   SUNSET   656 PM CDT   
SEPTEMBER 24 2017.....SUNRISE   651 AM CDT   SUNSET   655 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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