AFOS product CLISTL
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CDUS43 KLSX 120736
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
135 AM CST SUN MAR 12 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 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         38    404 PM  85    1972  54    -16       61       
  MINIMUM         29    737 AM   8    1948  35     -6       41       
  AVERAGE         34                        44    -10       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          2.26 1977   0.10  -0.06      T      
  MONTH TO DATE    1.17                      1.01   0.16     0.41    
  SINCE MAR 1      1.17                      1.01   0.16     0.41    
  SINCE JAN 1      3.46                      5.65  -2.19     2.01    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.4           4.8  2000   0.1    0.3      0.0     
                                      1912                          
  MONTH TO DATE    0.4                       1.2   -0.8       T      
  SINCE MAR 1      0.4                       1.2   -0.8       T      
  SINCE JUL 1      1.8                      16.2  -14.4     10.6     
  SNOW DEPTH       T                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       31                        21     10       14       
  MONTH TO DATE  167                       248    -81      167       
  SINCE MAR 1    167                       248    -81      167       
  SINCE JUL 1   2900                      3846   -946     2997       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        5       
  SINCE MAR 1      0                         0      0        5       
  SINCE JAN 1      2                         0      2        5       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     7.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           400 AM                                     
 LOWEST     27          1200 AM                                     
 AVERAGE    56                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        84      2012                    
                                             1990                    
                                             1972                    
 MINIMUM TEMPERATURE (F)   35         1      1948                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 12 2017.........SUNRISE   717 AM CDT   SUNSET   706 PM CDT   
MARCH 13 2017.........SUNRISE   715 AM CDT   SUNSET   707 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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