Weather Service Report


899 
CDUS45 KRIW 190041
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
540 PM MST THU DEC 18 2014


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 18 2014...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)                                                     
 TODAY                                                               
  MAXIMUM         29        MM  52    1994  33     -4       51        
  MINIMUM         17        MM -18    1983  13      4       37        
  AVERAGE         23                        23      0       44      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00          0.19 1961   0.02  -0.02     0.00    
  MONTH TO DATE    0.78                      0.29   0.49     0.39    
  SINCE DEC 1      0.78                      0.29   0.49     0.39    
  SINCE JAN 1     11.66                     12.32  -0.66    14.33    
                                                                     
SNOWFALL (IN)                                                        
  TODAY            0.0                       0.4   -0.4      0.0     
  MONTH TO DATE    9.3                       6.5    2.8      3.9     
  SINCE DEC 1      9.3                       6.5    2.8      3.9     
  SINCE JUL 1     24.1                      26.0   -1.9     28.7     
  SNOW DEPTH       3                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           42                        42      0       21       
  MONTH TO DATE  527                       737   -210      829       
  SINCE DEC 1    527                       737   -210      829       
  SINCE JUL 1   2302                      2591   -289     2673       
                                                                     
 COOLING                                                             
  TODAY            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    21   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    12.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80           500 AM                                     
 LOWEST     68           400 AM                                     
 AVERAGE    74                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        51      2004                    
 MINIMUM TEMPERATURE (F)   13       -24      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2014......SUNRISE   732 AM MST   SUNSET   433 PM MST   
DECEMBER 19 2014......SUNRISE   733 AM MST   SUNSET   434 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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Western Regional Climate Center, wrcc@dri.edu