AFOS product CLISTL
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CDUS43 KLSX 010738
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
137 AM CST THU FEB 1 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 31 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         59    341 PM  74    1989  41     18       53       
  MINIMUM         34    107 AM  -9    1936  25      9       43       
  AVERAGE         47                        33     14       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.62 1988   0.08  -0.08     0.00    
  MONTH TO DATE    1.23                      2.40  -1.17     1.80    
  SINCE DEC 1      2.07                      5.24  -3.17     2.93    
  SINCE JAN 1      1.23                      2.40  -1.17     1.80    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          11.2  1958   0.2   -0.2      0.0     
  MONTH TO DATE    1.2                       5.6   -4.4      1.0     
  SINCE DEC 1      4.7                      10.0   -5.3      1.2     
  SINCE JUL 1      4.7                      10.7   -6.0      1.2     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        32    -14       17       
  MONTH TO DATE 1091                      1028     63      830       
  SINCE DEC 1   2019                      1968     51     1761       
  SINCE JUL 1   2721                      2794    -73     2252       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     9.3                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67          1100 PM                                     
 LOWEST     31           300 PM                                     
 AVERAGE    49                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        84      1911                    
 MINIMUM TEMPERATURE (F)   25        -6      1951                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  1 2018......SUNRISE   707 AM CST   SUNSET   523 PM CST   
FEBRUARY  2 2018......SUNRISE   706 AM CST   SUNSET   524 PM CST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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