AFOS product CLISTL
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CDUS43 KLSX 110727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
226 AM CDT THU MAY 11 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 10 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         88    142 PM  91    1963  75     13       81       
                                      1928                          
  MINIMUM         68    513 AM  31    1966  55     13       61       
  AVERAGE         78                        65     13       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.38          2.22 1921   0.14   0.24     0.14    
  MONTH TO DATE    3.14                      1.43   1.71     0.48    
  SINCE MAR 1     17.75                      8.44   9.31     7.26    
  SINCE JAN 1     20.04                     13.08   6.96     8.86    
                                                                     
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 MAR 1      1.8                       2.7   -0.9      0.3     
  SINCE JUL 1      3.2                      17.7  -14.5     10.9     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE   54                        37     17       28       
  SINCE MAR 1    661                       895   -234      599       
  SINCE JUL 1   3394                      4493  -1099     3429       
                                                                     
 COOLING                                                             
  YESTERDAY       13                         3     10        6       
  MONTH TO DATE   29                        24      5       23       
  SINCE MAR 1    102                        70     32       83       
  SINCE JAN 1    104                        70     34       83       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     9.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90          1000 PM                                     
 LOWEST     42           300 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        91      2011                    
                                             1914                    
 MINIMUM TEMPERATURE (F)   56        35      1907                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 11 2017...........SUNRISE   553 AM CDT   SUNSET   804 PM CDT   
MAY 12 2017...........SUNRISE   552 AM CDT   SUNSET   804 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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