AFOS product CLISTL
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CDUS43 KLSX 190729
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT SUN OCT 19 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 18 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         74    902 AM  87    1953  68      6       71       
  MINIMUM         60   1024 PM  27    1976  48     12       41       
  AVERAGE         67                        58      9       56     

PRECIPITATION (IN)                                                    
  YESTERDAY        2.05          2.21 1883   0.11   1.94     0.00     
  MONTH TO DATE    2.05                      1.72   0.33      T       
  SINCE SEP 1      2.79                      4.68  -1.89     5.75     
  SINCE JAN 1     34.88                     34.35   0.53    37.43     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1898   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                         8     -8        9        
  MONTH TO DATE    9                        96    -87       70        
  SINCE SEP 1     13                       128   -115       73        
  SINCE JUL 1     13                       129   -116       73        

 COOLING                                                              
  YESTERDAY        2                         1      1        0        
  MONTH TO DATE  111                        38     73       46        
  SINCE SEP 1    380                       250    130      314        
  SINCE JAN 1   1901                      1700    201     2022        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (220)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (260)       
  AVERAGE WIND SPEED     8.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1000 AM                                      
 LOWEST     70          1200 AM                                      
 AVERAGE    84                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   68        87      1953                      
 MINIMUM TEMPERATURE (F)   48        25      1972                      


SUNRISE AND SUNSET                                                    
OCTOBER 19 2025.......SUNRISE   715 AM CDT   SUNSET   617 PM CDT     
OCTOBER 20 2025.......SUNRISE   716 AM CDT   SUNSET   616 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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