AFOS product CLICPR
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CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1253 AM MST WED DEC 14 2011


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 13 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         39        MM  56    1988  34      5       48        
  MINIMUM         11        MM -16    1967  13     -2       34        
  AVERAGE         25                        23      2       41      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.32 1975   0.01  -0.01     0.00    
  MONTH TO DATE    0.13                      0.21  -0.08     0.10    
  SINCE DEC 1      0.13                      0.21  -0.08     0.10    
  SINCE JAN 1     12.71                     12.24   0.47    11.35    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.0     
  MONTH TO DATE    3.8                       4.7   -0.9      1.0     
  SINCE DEC 1      3.8                       4.7   -0.9      1.0     
  SINCE JUL 1     19.1                      24.2   -5.1      9.8     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        42     -2       24       
  MONTH TO DATE  586                       527     59      429       
  SINCE DEC 1    586                       527     59      429       
  SINCE JUL 1   2223                      2381   -158     2098       
                                                                     
 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    20   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     9.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    88          1200 AM                                     
 LOWEST     52          1100 AM                                     
 AVERAGE    70                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        55      1998                    
 MINIMUM TEMPERATURE (F)   13       -19      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 14 2011......SUNRISE   729 AM MST   SUNSET   432 PM MST   
DECEMBER 15 2011......SUNRISE   730 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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