Weather Service Report


974 
CDUS45 KRIW 210737
CLILND


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


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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         31    355 PM  55    1917  31      0       16       
  MINIMUM          7    103 AM -37    1924   9     -2        0       
  AVERAGE         19                        20     -1        8      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.35 1920   0.02  -0.02     0.00    
  MONTH TO DATE    0.81                      0.41   0.40     0.42    
  SINCE DEC 1      0.81                      0.41   0.40     0.42    
  SINCE JAN 1     10.71                     12.49  -1.78    15.27    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.3   -0.3      0.0     
  MONTH TO DATE    5.6                       7.1   -1.5      8.0     
  SINCE DEC 1      5.6                       7.1   -1.5      8.0     
  SINCE JUL 1     14.5                      32.7  -18.2     37.5     
  SNOW DEPTH       4                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       46                        45      1       57       
  MONTH TO DATE  707                       882   -175      949       
  SINCE DEC 1    707                       882   -175      949       
  SINCE JUL 1   2248                      2755   -507     2837       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    445                       472    -27      743       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     3.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1000 AM                                     
 LOWEST     69           400 PM                                     
 AVERAGE    81                                                       

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

                                                                     
THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   31        61      1969                    
 MINIMUM TEMPERATURE (F)    9       -35      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2014......SUNRISE   742 AM MST   SUNSET   444 PM MST   
DECEMBER 22 2014......SUNRISE   743 AM MST   SUNSET   444 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