AFOS product CLICPR
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CDUS45 KRIW 210730
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1228 AM MST WED DEC 21 2016


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 20 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         42    701 PM  56    1941  34      8       37       
  MINIMUM         28    318 AM -36    1990  13     15       22       
  AVERAGE         35                        23     12       30      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.15 1968   0.02  -0.02     0.00    
  MONTH TO DATE    0.84                      0.32   0.52     0.89    
  SINCE DEC 1      0.84                      0.32   0.52     0.89    
  SINCE JAN 1     15.10                     12.35   2.75    13.12    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.0     
  MONTH TO DATE   18.3                       7.2   11.1     12.8     
  SINCE DEC 1     18.3                       7.2   11.1     12.8     
  SINCE JUL 1     21.5                      26.7   -5.2     26.1     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       30                        42    -12       35       
  MONTH TO DATE 1015                       821    194      681       
  SINCE DEC 1   1015                       821    194      681       
  SINCE JUL 1   2441                      2675   -234     2203       
                                                                     
 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    46   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    61   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    28.9                                         

                                                                     
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    63           600 AM                                     
 LOWEST     43           700 PM                                     
 AVERAGE    53                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        53      1969                    
 MINIMUM TEMPERATURE (F)   13       -41      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2016......SUNRISE   734 AM MST   SUNSET   435 PM MST   
DECEMBER 22 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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