AFOS product CLISTL
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CDUS43 KLSX 180732
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
228 AM CDT MON MAY 18 2015


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 17 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         83    215 PM  94    1996  77      6       65       
  MINIMUM         66    628 AM  40    1973  58      8       42       
  AVERAGE         75                        67      8       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.15          3.95 1995   0.15   0.00     0.00    
  MONTH TO DATE    2.37                      2.50  -0.13     1.71    
  SINCE MAR 1     10.79                      9.51   1.28    11.64    
  SINCE JAN 1     13.74                     14.15  -0.41    14.79    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2014   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE MAR 1      0.6                       2.7   -2.1      1.6     
  SINCE JUL 1     16.8                      17.7   -0.9     28.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2       11       
  MONTH TO DATE   15                        56    -41       73       
  SINCE MAR 1    745                       914   -169      984       
  SINCE JUL 1   4547                      4512     35     5021       
                                                                     
 COOLING                                                             
  YESTERDAY       10                         4      6        0       
  MONTH TO DATE  115                        50     65       89       
  SINCE MAR 1    140                        96     44      126       
  SINCE JAN 1    140                        96     44      126       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED    12.3                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81           600 AM                                     
 LOWEST     51           300 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        94      1996                    
 MINIMUM TEMPERATURE (F)   58        39      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 18 2015...........SUNRISE   547 AM CDT   SUNSET   809 PM CDT   
MAY 19 2015...........SUNRISE   546 AM CDT   SUNSET   810 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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