AFOS product CLISTL
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CDUS43 KLSX 160728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT TUE MAY 16 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 15 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         90    430 PM  94    1944  76     14       66       
  MINIMUM         62    412 AM  39    1959  57      5       45       
  AVERAGE         76                        66     10       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.91 1990   0.16  -0.16     0.00    
  MONTH TO DATE    3.18                      2.20   0.98     2.23    
  SINCE MAR 1     17.79                      9.21   8.58     9.01    
  SINCE JAN 1     20.08                     13.85   6.23    10.61    
                                                                     
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        9       
  MONTH TO DATE   54                        52      2       49       
  SINCE MAR 1    661                       910   -249      620       
  SINCE JUL 1   3394                      4508  -1114     3450       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         4      7        0       
  MONTH TO DATE   58                        42     16       29       
  SINCE MAR 1    131                        88     43       89       
  SINCE JAN 1    133                        88     45       89       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     7.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    68           600 AM                                     
 LOWEST     32           500 PM                                     
 AVERAGE    50                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        93      2001                    
 MINIMUM TEMPERATURE (F)   57        39      1875                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2017...........SUNRISE   548 AM CDT   SUNSET   808 PM CDT   
MAY 17 2017...........SUNRISE   547 AM CDT   SUNSET   809 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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