AFOS product CLICPR
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CDUS45 KRIW 210737
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1227 AM MST SUN DEC 21 2014


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 20 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         36    138 PM  56    1941  34      2       20       
  MINIMUM         29    752 AM -36    1990  13     16        3       
  AVERAGE         33                        23     10       12      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.15 1968   0.02  -0.02     0.01    
  MONTH TO DATE    0.78                      0.32   0.46     0.90    
  SINCE DEC 1      0.78                      0.32   0.46     0.90    
  SINCE JAN 1     11.66                     12.35  -0.69    14.84    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.2     
  MONTH TO DATE    9.3                       7.2    2.1     11.2     
  SINCE DEC 1      9.3                       7.2    2.1     11.2     
  SINCE JUL 1     24.1                      26.7   -2.6     36.0     
  SNOW DEPTH       3                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       32                        42    -10       53       
  MONTH TO DATE  596                       821   -225      925       
  SINCE DEC 1    596                       821   -225      925       
  SINCE JUL 1   2371                      2675   -304     2769       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    357                       422    -65      618       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    18.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           400 AM                                     
 LOWEST     66           300 AM                                     
 AVERAGE    72                                                       

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

                                                                     
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 2014......SUNRISE   734 AM MST   SUNSET   434 PM MST   
DECEMBER 22 2014......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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