AFOS product CLICPR
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CDUS45 KRIW 090739
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1239 AM MST THU DEC 9 2010


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 8 2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1939 TO 2010


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         43    158 PM  60    1939  35      8        1       
  MINIMUM         31    429 AM -29    2009  15     16      -29       
  AVERAGE         37                        25     12      -14      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.49 1985   0.02  -0.02     0.02    
  MONTH TO DATE    0.10                      0.16  -0.06     0.30    
  SINCE DEC 1      0.10                      0.16  -0.06     0.30    
  SINCE JAN 1     11.35                     12.57  -1.22    15.10    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      1.4     
  MONTH TO DATE    1.0                       3.2   -2.2      6.8     
  SINCE DEC 1      1.0                       3.2   -2.2      6.8     
  SINCE JUL 1      9.8                      24.3  -14.5     22.5     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       28                        40    -12       79       
  MONTH TO DATE  271                       310    -39      471       
  SINCE DEC 1    271                       310    -39      471       
  SINCE JUL 1   1940                      2141   -201     2412       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    423                       428     -5      221       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    20.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    69          1200 AM                                     
 LOWEST     45           200 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        63      1939                    
 MINIMUM TEMPERATURE (F)   15       -23      1977                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  9 2010......SUNRISE   725 AM MST   SUNSET   431 PM MST   
DECEMBER 10 2010......SUNRISE   726 AM MST   SUNSET   431 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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