AFOS product CLICOU
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CDUS43 KLSX 150728
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT THU MAY 15 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 14 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         84    230 PM  90    1932  75      9       73       
                                      1987                           
                                      2022                           
  MINIMUM         61    524 AM  33    1895  55      6       60       
  AVERAGE         73                        65      8       67     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          4.10 1970   0.15  -0.15     0.03     
  MONTH TO DATE    0.75                      2.32  -1.57     2.80     
  SINCE MAR 1      9.73                     10.17  -0.44    10.75     
  SINCE JAN 1     11.55                     14.41  -2.86    13.69     

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      0.4                       1.7   -1.3       T       
  SINCE JUL 1     18.6                      16.5    2.1      8.6      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         3     -3        0        
  MONTH TO DATE   52                        57     -5       12        
  SINCE MAR 1    677                       938   -261      650        
  SINCE JUL 1   4309                      4643   -334     3891        

 COOLING                                                              
  YESTERDAY        8                         3      5        2        
  MONTH TO DATE   17                        33    -16       34        
  SINCE MAR 1     62                        65     -3       78        
  SINCE JAN 1     62                        65     -3       78        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (180)       
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (180)       
  AVERAGE WIND SPEED    11.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.3                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM                                      
 LOWEST     62          1100 AM                                      
 AVERAGE    78                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        90      1911                      
                                             1941                     
                                             1944                     
 MINIMUM TEMPERATURE (F)   55        36      1907                      
                                             1926                     
                                             1959                     


SUNRISE AND SUNSET                                                    
MAY 15 2025...........SUNRISE   556 AM CDT   SUNSET   815 PM CDT     
MAY 16 2025...........SUNRISE   555 AM CDT   SUNSET   816 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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