AFOS product CLISTL
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CDUS43 KLSX 160727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT WED AUG 16 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 15 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         91    245 PM 105    2007  88      3       80       
  MINIMUM         71    525 AM  51    1992  70      1       71       
  AVERAGE         81                        79      2       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          4.31 1946   0.09  -0.09     2.52    
  MONTH TO DATE    0.18                      1.52  -1.34     5.21    
  SINCE JUN 1      4.28                      9.91  -5.63    14.87    
  SINCE JAN 1     27.18                     26.28   0.90    27.92    
                                                                     
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       16                        14      2       11       
  MONTH TO DATE  158                       218    -60      244       
  SINCE JUN 1   1170                      1019    151     1261       
  SINCE JAN 1   1422                      1193    229     1455       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     47           100 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88       103      1936                    
 MINIMUM TEMPERATURE (F)   70        56      1992                    
                                             1964                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 16 2017........SUNRISE   617 AM CDT   SUNSET   754 PM CDT   
AUGUST 17 2017........SUNRISE   617 AM CDT   SUNSET   753 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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