AFOS product CLICPR
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CDUS45 KRIW 110733
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1233 AM MST SAT DEC 11 2010


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 10 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         50   1254 PM  63    1939  34     16       18       
  MINIMUM         20   1159 PM -18    1961  15      5       -7       
  AVERAGE         35                        25     10        6      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.23 1970   0.02  -0.02     0.00    
  MONTH TO DATE    0.10                      0.20  -0.10     0.30    
  SINCE DEC 1      0.10                      0.20  -0.10     0.30    
  SINCE JAN 1     11.35                     12.61  -1.26    15.10    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T                         0.4   -0.4      0.0     
  MONTH TO DATE    1.0                       4.0   -3.0      6.8     
  SINCE DEC 1      1.0                       4.0   -3.0      6.8     
  SINCE JUL 1      9.8                      25.1  -15.3     22.5     
  SNOW DEPTH       T                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       30                        40    -10       59       
  MONTH TO DATE  329                       390    -61      599       
  SINCE DEC 1    329                       390    -61      599       
  SINCE JUL 1   1998                      2221   -223     2540       
                                                                     
 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    46   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    60   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED    17.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77          1000 PM                                     
 LOWEST     39           100 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        59      1939                    
 MINIMUM TEMPERATURE (F)   15       -19      1985                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 11 2010......SUNRISE   727 AM MST   SUNSET   431 PM MST   
DECEMBER 12 2010......SUNRISE   728 AM MST   SUNSET   432 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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