AFOS product CLISTL
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031 
CDUS43 KLSX 180727
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CDT SUN JUL 18 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 17 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         85    331 PM 103    2012  90     -5       93       
  MINIMUM         70    520 AM  57    1976  71     -1       75       
  AVERAGE         78                        80     -2       84     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.94 1938   0.12  -0.12     0.60     
  MONTH TO DATE    5.07                      2.19   2.88     2.11     
  SINCE JUN 1     10.40                      6.68   3.72     4.82     
  SINCE JAN 1     27.99                     24.55   3.44    28.32     

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       13                        16     -3       19        
  MONTH TO DATE  230                       260    -30      299        
  SINCE JUN 1    652                       611     41      717        
  SINCE JAN 1    826                       806     20      864        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (40)        
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (30)        
  AVERAGE WIND SPEED     5.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  FOG W/VISIBILITY <= 1/4 MILE                                        


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM                                      
 LOWEST     53           300 PM                                      
 AVERAGE    73                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   90       112      1954                      
 MINIMUM TEMPERATURE (F)   71        57      1976                      


SUNRISE AND SUNSET                                                    
JULY 18 2021..........SUNRISE   551 AM CDT   SUNSET   824 PM CDT     
JULY 19 2021..........SUNRISE   552 AM CDT   SUNSET   823 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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