AFOS product CLISTL
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CDUS43 KLSX 120728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT WED JUL 12 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 11 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM        101    355 PM 106    1966  89     12       93       
                                      1930                          
  MINIMUM         81    535 AM  55    1963  71     10       76       
  AVERAGE         91                        80     11       85      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.60 1964   0.13  -0.13     0.00    
  MONTH TO DATE    0.08                      1.47  -1.39     4.47    
  SINCE JUN 1      2.80                      5.75  -2.95     5.76    
  SINCE JAN 1     25.70                     22.12   3.58    18.81    
                                                                     
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                         5     -5        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       26                        15     11       20       
  MONTH TO DATE  207                       165     42      146       
  SINCE JUN 1    616                       499    117      641       
  SINCE JAN 1    868                       673    195      835       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    12.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    69           500 AM                                     
 LOWEST     21           600 PM                                     
 AVERAGE    45                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89       110      1954                    
 MINIMUM TEMPERATURE (F)   71        56      1975                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 12 2017..........SUNRISE   547 AM CDT   SUNSET   827 PM CDT   
JULY 13 2017..........SUNRISE   548 AM CDT   SUNSET   827 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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