AFOS product CLICPR
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CDUS45 KRIW 210739
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1230 AM MST MON DEC 21 2015


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 20 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         37   1250 AM  56    1941  34      3       36       
  MINIMUM         22    646 PM -36    1990  13      9       29       
  AVERAGE         30                        23      7       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.15 1968   0.02  -0.02     0.00    
  MONTH TO DATE    0.89                      0.32   0.57     0.78    
  SINCE DEC 1      0.89                      0.32   0.57     0.78    
  SINCE JAN 1     13.12                     12.35   0.77    11.66    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.0     
  MONTH TO DATE   12.8                       7.2    5.6      9.3     
  SINCE DEC 1     12.8                       7.2    5.6      9.3     
  SINCE JUL 1     26.1                      26.7   -0.6     24.1     
  SNOW DEPTH       1                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       35                        42     -7       32       
  MONTH TO DATE  681                       821   -140      596       
  SINCE DEC 1    681                       821   -140      596       
  SINCE JUL 1   2203                      2675   -472     2371       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    427                       422      5      357       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED    11.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           800 AM                                     
 LOWEST     56          1200 AM                                     
 AVERAGE    74                                                       

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

                                                                     
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 2015......SUNRISE   733 AM MST   SUNSET   434 PM MST   
DECEMBER 22 2015......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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