418   
CDUS45 KRIW 210729  
CLIRIW  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST SAT DEC 21 2024  
   
...............................  
  
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 20 2024  
  
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2024  
  
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST        
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR       
                                                  NORMAL              
...............................................................  
  
TEMPERATURE (F)                                                            
 YESTERDAY                                                             
  MAXIMUM         44   2:05 PM  49    2020  30     14       44          
  MINIMUM         18   4:17 AM -21    1998   7     11       20          
  AVERAGE         31                        18     13       32       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          0.04        0.01  -0.01     0.00       
  MONTH TO DATE    T                         0.17  -0.17      T         
  SINCE DEC 1      T                         0.17  -0.17      T         
  SINCE JAN 1      6.22                      8.47  -2.25    13.69       
  
SNOWFALL (IN)                                                                
  YESTERDAY        0.0           1.8  2017                   0.0        
  MONTH TO DATE    T                                          T         
  SINCE DEC 1      T                                          T         
  SINCE JUL 1      3.8                                      19.0        
  SNOW DEPTH       0                                                    
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY       34                        47    -13       33          
  MONTH TO DATE  710                       892   -182      770          
  SINCE DEC 1    710                       892   -182      770          
  SINCE JUL 1   2227                      2789   -562     2469          
  
 COOLING                                                                
  YESTERDAY        0                         0      0        0          
  MONTH TO DATE    0                         0      0        0          
  SINCE DEC 1      0                         0      0        0          
  SINCE JAN 1    610                       499    111      401           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (60)          
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (50)          
  AVERAGE WIND SPEED     3.1                                          
  
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    60           8:00 AM                                        
 LOWEST     27           2:00 PM                                        
 AVERAGE    44                                                          
   
......................................................  
  
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   30        51      2021                        
 MINIMUM TEMPERATURE (F)    7       -29      1998                        
  
SUNRISE AND SUNSET                                                      
DECEMBER 21 2024......SUNRISE   7:42 AM MST   SUNSET   4:42 PM MST       
DECEMBER 22 2024......SUNRISE   7:43 AM MST   SUNSET   4:43 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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