AFOS product CLICPR
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CDUS45 KRIW 170746
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1244 AM MST SAT DEC 17 2016


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 16 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         16    213 AM  59    1980  33    -17       21       
  MINIMUM         -8   1159 PM -31    1964  13    -21        4       
  AVERAGE          4                        23    -19       13      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.36R         0.22 1993   0.02   0.34     0.00    
  MONTH TO DATE    0.84                      0.26   0.58     0.84    
  SINCE DEC 1      0.84                      0.26   0.58     0.84    
  SINCE JAN 1     15.10                     12.29   2.81    13.07    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        5.2                       0.4    4.8      0.0     
  MONTH TO DATE   14.3                       5.8    8.5     11.6     
  SINCE DEC 1     14.3                       5.8    8.5     11.6     
  SINCE JUL 1     17.5                      25.3   -7.8     24.9     
  SNOW DEPTH       5                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       61                        42     19       52       
  MONTH TO DATE  812                       653    159      525       
  SINCE DEC 1    812                       653    159      525       
  SINCE JUL 1   2238                      2507   -269     2047       
                                                                     
 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    26   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED    15.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY SNOW                                                         
  SNOW                                                               
  LIGHT SNOW                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           300 AM                                     
 LOWEST     75          1100 PM                                     
 AVERAGE    84                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        60      1980                    
 MINIMUM TEMPERATURE (F)   13       -31      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2016......SUNRISE   732 AM MST   SUNSET   433 PM MST   
DECEMBER 18 2016......SUNRISE   732 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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