AFOS product CLISTL
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
826 
CDUS43 KLSX 220727
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
226 AM CDT FRI SEP 22 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 21 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         89    421 PM  97    1881  78     11       90       
  MINIMUM         75    609 AM  40    1983  58     17       73       
  AVERAGE         82                        68     14       82      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.78 1947   0.10  -0.10     0.00    
  MONTH TO DATE    0.27                      2.16  -1.89     4.68    
  SINCE SEP 1      0.27                      2.16  -1.89     4.68    
  SINCE JAN 1     30.57                     29.91   0.66    33.16    
                                                                     
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 SEP 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    6                        13     -7        0       
  SINCE SEP 1      6                        13     -7        0       
  SINCE JUL 1      6                        14     -8        0       
                                                                     
 COOLING                                                             
  YESTERDAY       17                         5     12       17       
  MONTH TO DATE  170                       169      1      257       
  SINCE SEP 1    170                       169      1      257       
  SINCE JAN 1   1772                      1568    204     1962       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SE (120)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     8.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82           500 AM                                     
 LOWEST     52           400 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        95      1956                    
 MINIMUM TEMPERATURE (F)   58        40      1995                    
                                             1974                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 22 2017.....SUNRISE   649 AM CDT   SUNSET   658 PM CDT   
SEPTEMBER 23 2017.....SUNRISE   650 AM CDT   SUNSET   656 PM CDT   

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




$$