AFOS product CLICPR
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CDUS45 KRIW 070728
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1228 AM MST WED DEC 7 2011


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 6 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2011


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         23        MM  63    1939  35    -12       45        
  MINIMUM          7        MM -24    1972  14     -7       19        
  AVERAGE         15                        25    -10       32      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.19 1957   0.01  -0.01     0.03    
  MONTH TO DATE    0.13                      0.10   0.03     0.09    
  SINCE DEC 1      0.13                      0.10   0.03     0.09    
  SINCE JAN 1     12.71                     12.13   0.58    11.34    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.3   -0.3       T      
  MONTH TO DATE    3.8                       2.1    1.7      0.9     
  SINCE DEC 1      3.8                       2.1    1.7      0.9     
  SINCE JUL 1     19.1                      21.6   -2.5      9.7     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       50                        40     10       33       
  MONTH TO DATE  306                       238     68      208       
  SINCE DEC 1    306                       238     68      208       
  SINCE JUL 1   1943                      2092   -149     1877       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    519                       422     97      423       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    23.5                                         

                                                                     
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    63          1200 AM                                     
 LOWEST     51          1100 AM                                     
 AVERAGE    57                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        57      1939                    
 MINIMUM TEMPERATURE (F)   14       -23      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  7 2011......SUNRISE   723 AM MST   SUNSET   431 PM MST   
DECEMBER  8 2011......SUNRISE   724 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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