AFOS product CLISTL
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CDUS43 KLSX 110742
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
239 AM CDT TUE APR 11 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 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         81    348 PM  93    1930  66     15       65       
  MINIMUM         58   1139 PM  26    1960  45     13       45       
  AVERAGE         70                        55     15       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          2.42 1944   0.12  -0.09     0.18    
  MONTH TO DATE    2.44                      1.20   1.24     0.58    
  SINCE MAR 1      6.68                      4.52   2.16     2.87    
  SINCE JAN 1      8.97                      9.16  -0.19     4.47    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.1  1997   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.2   -0.2      0.0     
  SINCE MAR 1      1.8                       2.5   -0.7      0.3     
  SINCE JUL 1      3.2                      17.5  -14.3     10.9     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                        11    -11       10       
  MONTH TO DATE   68                       121    -53      138       
  SINCE MAR 1    535                       709   -174      511       
  SINCE JUL 1   3268                      4307  -1039     3341       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         1      4        0       
  MONTH TO DATE   14                        10      4        0       
  SINCE MAR 1     20                        17      3        8       
  SINCE JAN 1     22                        17      5        8       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    12.3                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    70          1100 AM                                     
 LOWEST     35           700 PM                                     
 AVERAGE    53                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        90      1930                    
 MINIMUM TEMPERATURE (F)   46        24      1973                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 11 2017.........SUNRISE   631 AM CDT   SUNSET   735 PM CDT   
APRIL 12 2017.........SUNRISE   629 AM CDT   SUNSET   736 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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