AFOS product CLICPR
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CDUS45 KRIW 182319
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
417 PM MST THU DEC 18 2008


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 17 2008...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1937 TO 2008


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         27    231 PM  60    1980  33     -6       35       
  MINIMUM         -1   1201 AM -31    1964  14    -15       23       
  AVERAGE         13                        23    -10       29      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.45 1970   0.02  -0.02     0.00    
  MONTH TO DATE    0.32                      0.34  -0.02     0.49    
  SINCE DEC 1      0.32                      0.34  -0.02     0.49    
  SINCE JAN 1     11.85                     12.75  -0.90    14.53    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.0     
  MONTH TO DATE    8.4                       6.8    1.6     12.0     
  SINCE DEC 1      8.4                       6.8    1.6     12.0     
  SINCE JUL 1     18.6                      27.9   -9.3     15.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       52                        41     11       36       
  MONTH TO DATE  753                       675     78      733       
  SINCE DEC 1    753                       675     78      733       
  SINCE JUL 1   2465                      2506    -41     2371       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    375                       428    -53      643       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    39   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    54   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED    17.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72          1200 AM                                     
 LOWEST     33           200 PM                                     
 AVERAGE    53                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        52      1994                    
 MINIMUM TEMPERATURE (F)   13       -18      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2008......SUNRISE   732 AM MST   SUNSET   433 PM MST   
DECEMBER 19 2008......SUNRISE   733 AM MST   SUNSET   434 PM MST   

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




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