AFOS product CLISTL
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CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT THU SEP 28 2023

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 27 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         84    210 PM  92    2019  77      7       75       
                                      2021                           
  MINIMUM         66    620 AM  36    1940  57      9       49       
  AVERAGE         75                        67      8       62     

PRECIPITATION (IN)                                                    
  YESTERDAY        1.62R         1.28 1945   0.09   1.53     0.00     
  MONTH TO DATE    2.58                      2.69  -0.11     1.73     
  SINCE SEP 1      2.58                      2.69  -0.11     1.73     
  SINCE JAN 1     27.58                     32.36  -4.78    40.85     

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        3        
  MONTH TO DATE    0                        21    -21       10        
  SINCE SEP 1      0                        21    -21       10        
  SINCE JUL 1      0                        22    -22       10        

 COOLING                                                              
  YESTERDAY       10                         4      6        0        
  MONTH TO DATE  249                       201     48      231        
  SINCE SEP 1    249                       201     48      231        
  SINCE JAN 1   1819                      1651    168     1925        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (170)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (170)       
  AVERAGE WIND SPEED     6.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM                                      
 LOWEST     52           500 PM                                      
 AVERAGE    73                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   77        97      1953                      
 MINIMUM TEMPERATURE (F)   56        32      1942                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 28 2023.....SUNRISE   654 AM CDT   SUNSET   649 PM CDT     
SEPTEMBER 29 2023.....SUNRISE   655 AM CDT   SUNSET   648 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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