AFOS product CLISTL
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CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT MON MAY 15 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 14 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         86    224 PM  93    2013  76     10       61       
  MINIMUM         62    505 AM  37    1920  57      5       45       
  AVERAGE         74                        66      8       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.33 1886   0.15  -0.15      T      
  MONTH TO DATE    3.18                      2.04   1.14     2.23    
  SINCE MAR 1     17.79                      9.05   8.74     9.01    
  SINCE JAN 1     20.08                     13.69   6.39    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       12       
  MONTH TO DATE   54                        49      5       40       
  SINCE MAR 1    661                       907   -246      611       
  SINCE JUL 1   3394                      4505  -1111     3441       
                                                                     
 COOLING                                                             
  YESTERDAY        9                         4      5        0       
  MONTH TO DATE   47                        38      9       29       
  SINCE MAR 1    120                        84     36       89       
  SINCE JAN 1    122                        84     38       89       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           100 AM                                     
 LOWEST     31           400 PM                                     
 AVERAGE    49                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        94      1944                    
 MINIMUM TEMPERATURE (F)   57        39      1959                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 15 2017...........SUNRISE   549 AM CDT   SUNSET   807 PM CDT   
MAY 16 2017...........SUNRISE   548 AM CDT   SUNSET   808 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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