AFOS product CLISTL
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CDUS43 KLSX 200744
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
244 AM CDT MON AUG 20 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 19 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         86    215 PM 105    1962  88     -2       92       
                                      1936                          
  MINIMUM         69    525 AM  55    1953  69      0       70       
  AVERAGE         78                        79     -1       81      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          2.03 1914   0.09  -0.08     0.00    
  MONTH TO DATE    2.14                      1.89   0.25     2.18    
  SINCE JUN 1      7.23                     10.28  -3.05     6.28    
  SINCE JAN 1     28.16                     26.65   1.51    29.18    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2015   0.0    0.0      0.0     
  MONTH TO DATE    T                         0.0    0.0      0.0     
  SINCE JUN 1      T                         0.0    0.0      0.0     
  SINCE JUL 1      T                         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                         5     -5        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       13                        14     -1       16       
  MONTH TO DATE  301                       274     27      218       
  SINCE JUN 1   1252                      1075    177     1230       
  SINCE JAN 1   1595                      1249    346     1482       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     7.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     59          1200 PM                                     
 AVERAGE    80                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88       104      1962                    
 MINIMUM TEMPERATURE (F)   69        52      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 20 2018........SUNRISE   620 AM CDT   SUNSET   749 PM CDT   
AUGUST 21 2018........SUNRISE   621 AM CDT   SUNSET   748 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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