AFOS product CLICPR
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CDUS45 KRIW 160822
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
109 AM MST TUE DEC 16 2008


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 15 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         -1   1008 PM  57    1980  34    -35       21       
  MINIMUM        -20R   702 AM -11    1951  14    -34        0       
  AVERAGE        -10                        24    -34       11      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.29 1992   0.02  -0.02     0.00    
  MONTH TO DATE    0.32                      0.30   0.02     0.49    
  SINCE DEC 1      0.32                      0.30   0.02     0.49    
  SINCE JAN 1     11.85                     12.71  -0.86    14.53    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.0     
  MONTH TO DATE    8.4                       6.0    2.4     12.0     
  SINCE DEC 1      8.4                       6.0    2.4     12.0     
  SINCE JUL 1     18.6                      27.1   -8.5     15.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       75                        41     34       54       
  MONTH TO DATE  644                       593     51      659       
  SINCE DEC 1    644                       593     51      659       
  SINCE JUL 1   2356                      2424    -68     2297       
                                                                     
 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     9   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     4.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           900 AM                                     
 LOWEST     64          1100 AM                                     
 AVERAGE    71                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        59      1980                    
 MINIMUM TEMPERATURE (F)   14       -31      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 16 2008......SUNRISE   731 AM MST   SUNSET   433 PM MST   
DECEMBER 17 2008......SUNRISE   732 AM MST   SUNSET   433 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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