AFOS product CLISTL
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
646 
CDUS43 KLSX 110727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT FRI MAY 11 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 10 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         90    250 PM  91    1963  75     15       88       
                                      1928                          
  MINIMUM         61    517 AM  31    1966  55      6       68       
  AVERAGE         76                        65     11       78      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.22 1921   0.14  -0.14     0.38    
  MONTH TO DATE    1.20                      1.43  -0.23     3.14    
  SINCE MAR 1     10.60                      8.44   2.16    17.75    
  SINCE JAN 1     17.08                     13.08   4.00    20.04    
                                                                     
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      1.6                       2.7   -1.1      1.8     
  SINCE JUL 1      7.1                      17.7  -10.6      3.2     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE    0                        37    -37       54       
  SINCE MAR 1   1134                       895    239      661       
  SINCE JUL 1   4605                      4493    112     3394       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         3      8       13       
  MONTH TO DATE   66                        24     42       29       
  SINCE MAR 1     79                        70      9      102       
  SINCE JAN 1     79                        70      9      104       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     5.3                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           200 AM                                     
 LOWEST     36           500 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        91      2011                    
                                             1914                    
 MINIMUM TEMPERATURE (F)   56        35      1907                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 11 2018...........SUNRISE   553 AM CDT   SUNSET   803 PM CDT   
MAY 12 2018...........SUNRISE   552 AM CDT   SUNSET   804 PM CDT   

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




$$