AFOS product CLICPR
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CDUS45 KRIW 200735
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1233 AM MST TUE DEC 20 2016


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 19 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         33   1058 PM  51    2004  33      0       42       
  MINIMUM         14    429 AM -24    1990  13      1       31       
  AVERAGE         24                        23      1       37      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.50 2013   0.01  -0.01     0.00    
  MONTH TO DATE    0.84                      0.30   0.54     0.89    
  SINCE DEC 1      0.84                      0.30   0.54     0.89    
  SINCE JAN 1     15.10                     12.33   2.77    13.12    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.3   -0.3      0.0     
  MONTH TO DATE   18.3                       6.8   11.5     12.8     
  SINCE DEC 1     18.3                       6.8   11.5     12.8     
  SINCE JUL 1     21.5                      26.3   -4.8     26.1     
  SNOW DEPTH       2                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       41                        42     -1       28       
  MONTH TO DATE  985                       779    206      646       
  SINCE DEC 1    985                       779    206      646       
  SINCE JUL 1   2411                      2633   -222     2168       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    451                       422     29      427       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    51   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    62   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    29.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    64           300 AM                                     
 LOWEST     45          1000 PM                                     
 AVERAGE    55                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        56      1941                    
 MINIMUM TEMPERATURE (F)   13       -36      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2016......SUNRISE   733 AM MST   SUNSET   434 PM MST   
DECEMBER 21 2016......SUNRISE   734 AM MST   SUNSET   435 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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