Weather Service Report


849 
CDUS45 KRIW 210733
CLILND


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
132 AM MDT MON SEP 21 2020


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

...THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 20 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         72    415 PM  88    2016  70      2       71       
                                      1956                          
  MINIMUM         41    439 AM  23    1983  43     -2       44       
  AVERAGE         57                        56      1       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.42 1989   0.04  -0.04      T      
  MONTH TO DATE    0.66                      0.60   0.06     0.68    
  SINCE SEP 1      0.66                      0.60   0.06     0.68    
  SINCE JAN 1      5.88                      9.48  -3.60    12.93    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1      0.0     
  MONTH TO DATE    4.7                       1.1    3.6      0.0     
  SINCE SEP 1      4.7                       1.1    3.6      0.0     
  SINCE JUL 1      4.7                       1.1    3.6      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                         9     -1        7       
  MONTH TO DATE  122                       106     16       78       
  SINCE SEP 1    122                       106     16       78       
  SINCE JUL 1    141                       146     -5       87       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   46                        26     20       61       
  SINCE SEP 1     46                        26     20       61       
  SINCE JAN 1    683                       471    212      458       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     4.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           500 AM                                     
 LOWEST     20           300 PM                                     
 AVERAGE    44                                                       

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

                                                                     
THE LANDER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        87      1905                    
 MINIMUM TEMPERATURE (F)   42        25      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 21 2020.....SUNRISE   702 AM MDT   SUNSET   713 PM MDT   
SEPTEMBER 22 2020.....SUNRISE   703 AM MDT   SUNSET   711 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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Western Regional Climate Center, wrcc@dri.edu