AFOS product CLICPR
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CDUS45 KRIW 130730
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
130 AM MDT SUN SEP 13 2009


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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 12 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1939 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         64    111 PM  94    1990  75    -11       58       
  MINIMUM         34    622 AM  29    1949  43     -9       46       
  AVERAGE         49                        59    -10       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          0.29 1957   0.03   0.00     0.18    
  MONTH TO DATE    0.03                      0.35  -0.32     0.74    
  SINCE SEP 1      0.03                      0.35  -0.32     0.74    
  SINCE JAN 1     11.89                      9.82   2.07     9.58    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1      0.0     
  MONTH TO DATE    0.0                       0.2   -0.2      0.0     
  SINCE SEP 1      0.0                       0.2   -0.2      0.0     
  SINCE JUL 1      0.0                       0.2   -0.2      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       16                         7      9       13       
  MONTH TO DATE   34                        61    -27      150       
  SINCE SEP 1     34                        61    -27      150       
  SINCE JUL 1    127                       102     25      184       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   22                        22      0        0       
  SINCE SEP 1     22                        22      0        0       
  SINCE JAN 1    211                       423   -212      367       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (50)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1100 PM                                     
 LOWEST     37          1100 AM                                     
 AVERAGE    65                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        89      2006                    
                                             1981                    
 MINIMUM TEMPERATURE (F)   42        23      1949                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 13 2009.....SUNRISE   644 AM MDT   SUNSET   719 PM MDT   
SEPTEMBER 14 2009.....SUNRISE   645 AM MDT   SUNSET   717 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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