AFOS product CLICPR
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CDUS45 KRIW 150809
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1258 AM MST MON DEC 15 2008


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 14 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         -8    316 PM  55    1998  34    -42       18       
  MINIMUM        -19R  1117 PM  -9    1967  14    -33       -2       
  AVERAGE        -13                        24    -37        8      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.22 1990   0.02  -0.01     0.01    
  MONTH TO DATE    0.32                      0.28   0.04     0.49    
  SINCE DEC 1      0.32                      0.28   0.04     0.49    
  SINCE JAN 1     11.85                     12.69  -0.84    14.53    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.1                       0.4   -0.3      0.1     
  MONTH TO DATE    8.4                       5.6    2.8     12.0     
  SINCE DEC 1      8.4                       5.6    2.8     12.0     
  SINCE JUL 1     18.6                      26.7   -8.1     15.8     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       78                        41     37       57       
  MONTH TO DATE  569                       552     17      605       
  SINCE DEC 1    569                       552     17      605       
  SINCE JUL 1   2281                      2383   -102     2243       
                                                                     
 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    14   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     4.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    74           800 PM                                     
 LOWEST     57          1100 AM                                     
 AVERAGE    66                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        57      1980                    
 MINIMUM TEMPERATURE (F)   14       -11      1951                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 15 2008......SUNRISE   730 AM MST   SUNSET   432 PM MST   
DECEMBER 16 2008......SUNRISE   731 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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