AFOS product CLICPR
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CDUS45 KRIW 210738
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1232 AM MST THU DEC 21 2006

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

...THE CASPER CLIMATE SUMMARY FOR DECEMBER 20 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1937 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         30    248 PM  56    1941  33     -3       40       
  MINIMUM          5    147 AM -36    1990  13     -8       15       
  AVERAGE         18                        23     -5       28      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.15 1968   0.02  -0.02     0.00    
  MONTH TO DATE    0.04                      0.40  -0.36     0.18    
  SINCE DEC 1      0.04                      0.40  -0.36     0.18    
  SINCE JAN 1     10.29                     12.81  -2.52    10.90    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.0     
  MONTH TO DATE    0.5                       8.0   -7.5      3.8     
  SINCE DEC 1      0.5                       8.0   -7.5      3.8     
  SINCE JUL 1      9.9                      29.1  -19.2     17.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       47                        42      5       37       
  MONTH TO DATE  709                       799    -90      968       
  SINCE DEC 1    709                       799    -90      968       
  SINCE JUL 1   2535                      2630    -95     2494       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    620                       428    192      452       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     4.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80           600 AM                                     
 LOWEST     42           400 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE CASPER CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        53      1969                    
 MINIMUM TEMPERATURE (F)   13       -41      1939                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2006......SUNRISE   734 AM MST   SUNSET   434 PM MST   
DECEMBER 22 2006......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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