AFOS product CLISTL
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CDUS43 KLSX 120740
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
238 AM CDT MON MAR 12 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 11 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         45   1217 AM  85    1972  54     -9       38       
  MINIMUM         31   1156 PM   8    1948  35     -4       29       
  AVERAGE         38                        44     -6       34      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.27          2.26 1977   0.10   0.17     0.04    
  MONTH TO DATE    1.20                      1.01   0.19     1.17    
  SINCE MAR 1      1.20                      1.01   0.19     1.17    
  SINCE JAN 1      7.68                      5.65   2.03     3.46    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.8           4.8  2000   0.1    0.7      0.4     
                                      1912                          
  MONTH TO DATE    1.0                       1.2   -0.2      0.4     
  SINCE MAR 1      1.0                       1.2   -0.2      0.4     
  SINCE JUL 1      6.5                      16.2   -9.7      1.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       27                        21      6       31       
  MONTH TO DATE  262                       248     14      167       
  SINCE MAR 1    262                       248     14      167       
  SINCE JUL 1   3733                      3846   -113     2900       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        2       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     9.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 PM                                     
 LOWEST     49          1200 AM                                     
 AVERAGE    75                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        84      2012                    
                                             1990                    
                                             1972                    
 MINIMUM TEMPERATURE (F)   35         1      1948                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 12 2018.........SUNRISE   717 AM CDT   SUNSET   706 PM CDT   
MARCH 13 2018.........SUNRISE   716 AM CDT   SUNSET   707 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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