AFOS product CLICPR
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CDUS45 KRIW 200748
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1247 AM MST SAT DEC 20 2008


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 19 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         36    153 PM  51    2004  33      3       40       
  MINIMUM        -11   1155 PM -24    1990  13    -24       30       
  AVERAGE         13                        23    -10       35      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.42 1978   0.02  -0.02     0.00    
  MONTH TO DATE    0.34                      0.38  -0.04     0.49    
  SINCE DEC 1      0.34                      0.38  -0.04     0.49    
  SINCE JAN 1     11.87                     12.79  -0.92    14.53    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                         0.4   MM        0.0     
  MONTH TO DATE    8.6                       7.6    1.0     12.0     
  SINCE DEC 1      8.6                       7.6    1.0     12.0     
  SINCE JUL 1     18.8                      28.7   -9.9     15.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       52                        41     11       30       
  MONTH TO DATE  848                       757     91      799       
  SINCE DEC 1    848                       757     91      799       
  SINCE JUL 1   2560                      2588    -28     2437       
                                                                     
 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    33   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    15.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82          1100 PM                                     
 LOWEST     47           100 PM                                     
 AVERAGE    65                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        54      1981                    
 MINIMUM TEMPERATURE (F)   13       -36      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2008......SUNRISE   733 AM MST   SUNSET   434 PM MST   
DECEMBER 21 2008......SUNRISE   734 AM MST   SUNSET   435 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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