AFOS product CLISTL
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CDUS43 KLSX 140730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
228 AM CDT SUN MAY 14 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 13 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         82    440 PM  91    1915  75      7       79       
  MINIMUM         55    507 AM  40    1971  56     -1       50       
                                      1938                          
  AVERAGE         69                        66      3       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.70 1985   0.15  -0.15     0.12    
  MONTH TO DATE    3.18                      1.89   1.29     2.23    
  SINCE MAR 1     17.79                      8.90   8.89     9.01    
  SINCE JAN 1     20.08                     13.54   6.54    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        0       
  MONTH TO DATE   54                        46      8       28       
  SINCE MAR 1    661                       904   -243      599       
  SINCE JUL 1   3394                      4502  -1108     3429       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         4      0        0       
  MONTH TO DATE   38                        34      4       29       
  SINCE MAR 1    111                        80     31       89       
  SINCE JAN 1    113                        80     33       89       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     2.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           400 AM                                     
 LOWEST     33           500 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        93      2013                    
 MINIMUM TEMPERATURE (F)   57        37      1920                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 14 2017...........SUNRISE   550 AM CDT   SUNSET   806 PM CDT   
MAY 15 2017...........SUNRISE   549 AM CDT   SUNSET   807 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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