AFOS product CLICPR
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CDUS45 KRIW 220752
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1251 AM MST MON DEC 22 2008


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 21 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         19    106 PM  53    1969  33    -14       35       
  MINIMUM        -16   1205 AM -41    1990  13    -29        3       
  AVERAGE          2                        23    -21       19      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.21 2003   0.02  -0.02     0.01    
  MONTH TO DATE    0.34                      0.42  -0.08     0.50    
  SINCE DEC 1      0.34                      0.42  -0.08     0.50    
  SINCE JAN 1     11.87                     12.83  -0.96    14.54    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.2     
  MONTH TO DATE    8.6                       8.4    0.2     12.2     
  SINCE DEC 1      8.6                       8.4    0.2     12.2     
  SINCE JUL 1     18.8                      29.5  -10.7     16.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       63                        42     21       46       
  MONTH TO DATE  980                       841    139      874       
  SINCE DEC 1    980                       841    139      874       
  SINCE JUL 1   2692                      2672     20     2512       
                                                                     
 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    21   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     8.5                                         

                                                                     
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    78           100 AM                                     
 LOWEST     42          1200 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        52      2005                    
                                             1964                    
 MINIMUM TEMPERATURE (F)   13       -33      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2008......SUNRISE   734 AM MST   SUNSET   435 PM MST   
DECEMBER 23 2008......SUNRISE   735 AM MST   SUNSET   436 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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