AFOS product CLISTL
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CDUS43 KLSX 210747
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
247 AM CDT MON JUL 21 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 20 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         96    336 PM 110    1934  90      6       84       
  MINIMUM         71   1149 PM  58    1929  71      0       65       
  AVERAGE         84                        81      3       75     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.58          3.70 1949   0.12   0.46     0.00     
  MONTH TO DATE    2.76                      2.55   0.21     7.45     
  SINCE JUN 1      7.14                      7.04   0.10     8.57     
  SINCE JAN 1     28.79                     24.91   3.88    29.36     

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 JUN 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 JUN 1      0                         4     -4        0        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       19                        16      3       10        
  MONTH TO DATE  326                       308     18      286        
  SINCE JUN 1    734                       659     75      753        
  SINCE JAN 1    905                       854     51     1066        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (340)       
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    NW (310)       
  AVERAGE WIND SPEED     8.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1100 PM                                      
 LOWEST     46           400 PM                                      
 AVERAGE    71                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   90       106      1901                      
 MINIMUM TEMPERATURE (F)   71        54      1944                      
                                             1970                     


SUNRISE AND SUNSET                                                    
JULY 21 2025..........SUNRISE   554 AM CDT   SUNSET   822 PM CDT     
JULY 22 2025..........SUNRISE   555 AM CDT   SUNSET   821 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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