524 
CDUS43 KLSX 202227
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
527 PM CDT MON MAY 20 2013


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 20 2013...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 TODAY                                                               
  MAXIMUM         83    214 PM  93    1902  77      6       91       
  MINIMUM         64    500 AM  41    1981  58      6       69       
                                      1894                          
  AVERAGE         74                        68      6       80      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.21          1.66 1947   0.15   0.06     0.10    
  MONTH TO DATE    3.17                      2.95   0.22     1.60    
  SINCE MAR 1     13.79                      9.96   3.83    12.23    
  SINCE JAN 1     20.18                     14.60   5.58    16.58    
                                                                     
SNOWFALL (IN)                                                        
  TODAY            0.0           0.0  2012   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE MAR 1     14.3                       2.7   11.6       T      
  SINCE JUL 1     27.9                      17.7   10.2      6.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY            0                         2     -2        0       
  MONTH TO DATE   87                        62     25        4       
  SINCE MAR 1   1155                       920    235      389       
  SINCE JUL 1   4472                      4518    -46     3291       
                                                                     
 COOLING                                                             
  TODAY            9                         5      4       15       
  MONTH TO DATE  101                        64     37      144       
  SINCE MAR 1    135                       110     25      281       
  SINCE JAN 1    135                       110     25      281       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    36   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    14.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              


                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           800 AM                                     
 LOWEST     54          1100 AM                                     
 AVERAGE    71                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        93      1941                    
 MINIMUM TEMPERATURE (F)   59        38      1883                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2013...........SUNRISE   545 AM CDT   SUNSET   811 PM CDT   
MAY 21 2013...........SUNRISE   544 AM CDT   SUNSET   812 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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