AFOS product CLICPR
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CDUS45 KRIW 160742
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
140 AM MDT SAT SEP 16 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         52    956 AM  92    2000  75    -23       62       
  MINIMUM         43   1159 PM  28    1965  42      1       41       
                                      1947                          
  AVERAGE         48                        58    -10       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.47R         0.27 1965   0.04   0.43     0.17    
  MONTH TO DATE    0.72                      0.48   0.24     0.91    
  SINCE SEP 1      0.72                      0.48   0.24     0.91    
  SINCE JAN 1     10.64                      9.56   1.08    13.08    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1      0.0     
  MONTH TO DATE    0.0                       0.4   -0.4      0.0     
  SINCE SEP 1      0.0                       0.4   -0.4      0.0     
  SINCE JUL 1      0.0                       0.4   -0.4      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                         7     10       13       
  MONTH TO DATE   42                        75    -33      102       
  SINCE SEP 1     42                        75    -33      102       
  SINCE JUL 1     63                       121    -58      162       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   54                        22     32       21       
  SINCE SEP 1     54                        22     32       21       
  SINCE JAN 1    448                       419     29      443       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           700 AM                                     
 LOWEST     74           200 PM                                     
 AVERAGE    87                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        94      2000                    
 MINIMUM TEMPERATURE (F)   41        19      1965                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 16 2017.....SUNRISE   647 AM MDT   SUNSET   713 PM MDT   
SEPTEMBER 17 2017.....SUNRISE   648 AM MDT   SUNSET   712 PM MDT   

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




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