AFOS product CLICPR
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CDUS45 KRIW 120742
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1240 AM MST MON DEC 12 2016


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 11 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         34    205 PM  59    1939  34      0       40       
  MINIMUM         20   1145 PM -19    1985  13      7       26       
  AVERAGE         27                        24      3       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          0.15 1984   0.01   0.04     0.00    
  MONTH TO DATE    0.46                      0.18   0.28     0.01    
  SINCE DEC 1      0.46                      0.18   0.28     0.01    
  SINCE JAN 1     14.72                     12.21   2.51    12.24    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        1.1                       0.3    0.8      0.0     
  MONTH TO DATE    8.7                       3.9    4.8       T      
  SINCE DEC 1      8.7                       3.9    4.8       T      
  SINCE JUL 1     11.9                      23.4  -11.5     13.3     
  SNOW DEPTH       3                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       38                        41     -3       32       
  MONTH TO DATE  561                       443    118      324       
  SINCE DEC 1    561                       443    118      324       
  SINCE JUL 1   1987                      2297   -310     1846       
                                                                     
 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    23   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED    11.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     51           300 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        60      2014                    
 MINIMUM TEMPERATURE (F)   13       -14      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 12 2016......SUNRISE   728 AM MST   SUNSET   432 PM MST   
DECEMBER 13 2016......SUNRISE   729 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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