AFOS product CLISTL
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CDUS43 KLSX 050734
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
230 AM CDT FRI MAY 5 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 4 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         54    720 PM  92    1952  73    -19       70       
  MINIMUM         48   1148 PM  33    1954  54     -6       51       
  AVERAGE         51                        63    -12       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.90          2.03 1905   0.15   0.75      T      
  MONTH TO DATE    2.76                      0.57   2.19      T      
  SINCE MAR 1     17.37                      7.58   9.79     6.78    
  SINCE JAN 1     19.66                     12.22   7.44     8.38    
                                                                     
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       14                         4     10        4       
  MONTH TO DATE   42                        17     25       21       
  SINCE MAR 1    649                       875   -226      592       
  SINCE JUL 1   3382                      4473  -1091     3422       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    0                         8     -8        0       
  SINCE MAR 1     73                        54     19       60       
  SINCE JAN 1     75                        54     21       60       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED    17.3                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1200 AM                                     
 LOWEST     54          1000 PM                                     
 AVERAGE    70                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        93      1952                    
                                             1943                    
 MINIMUM TEMPERATURE (F)   54        38      1979                    
                                             1944                    
                                             1917                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  5 2017...........SUNRISE   559 AM CDT   SUNSET   758 PM CDT   
MAY  6 2017...........SUNRISE   558 AM CDT   SUNSET   759 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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