675 
CDUS45 KRIW 100102
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
701 PM MDT TUE OCT 9 2018


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

...THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 9 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 TODAY                                                               
  MAXIMUM         51        MM  86    2003  63    -12       52        
  MINIMUM         36    200 AM  20    2009  35      1       27       
  AVERAGE         44                                                
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00          0.62 2006   0.03  -0.03     0.00    
  MONTH TO DATE    T                         0.23  -0.23      T      
  SINCE SEP 1      0.25                      1.11  -0.86     2.00    
  SINCE JAN 1      5.76                      6.56  -0.80     3.98    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           21                        16      5       25       
  MONTH TO DATE  145                       133     12      167       
  SINCE SEP 1    297                       343    -46      398       
  SINCE JUL 1    321                       364    -43      398       
                                                                     
 COOLING                                                             
  TODAY            0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1     33                        36     -3       62       
  SINCE JAN 1    703                       669     34      824       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     2.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           500 AM                                     
 LOWEST     46           300 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE GREYBULL WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        86      2015                    
 MINIMUM TEMPERATURE (F)   34        18      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  9 2018.......SUNRISE   720 AM MDT   SUNSET   638 PM MDT   
OCTOBER 10 2018.......SUNRISE   721 AM MDT   SUNSET   636 PM MDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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