057   
CDUS45 KRIW 300732  
CLIRIW  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT SAT AUG 30 2025  
   
...............................  
  
   
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 29 2025  
  
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2025  
  
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST        
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR       
                                                  NORMAL              
...............................................................  
  
TEMPERATURE (F)                                                            
 YESTERDAY                                                             
  MAXIMUM         77   4:39 PM  96    2012  82     -5       76          
  MINIMUM         53   5:54 AM  43    2021  50      3       47          
  AVERAGE         65                        66     -1       62       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          0.01        0.01  -0.01     0.00       
  MONTH TO DATE    0.50                      0.39   0.11     0.32       
  SINCE JUN 1      1.71                      1.87  -0.16     0.79       
  SINCE JAN 1      6.23                      6.33  -0.10     5.43       
  
SNOWFALL (IN)                                                                
  YESTERDAY        0.0           0.0  2020                   0.0        
  MONTH TO DATE    0.0                                       0.0        
  SINCE JUN 1      0.0                                       0.0        
  SINCE JUL 1      0.0                                       0.0        
  SNOW DEPTH       0                                                   
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        0                         2     -2        3          
  MONTH TO DATE    3                        20    -17       10          
  SINCE JUN 1     81                       145    -64       50          
  SINCE JUL 1      3                        30    -27       17          
  
 COOLING                                                                
  YESTERDAY        0                         3     -3        0          
  MONTH TO DATE  182                       164     18      183          
  SINCE JUN 1    567                       455    112      538          
  SINCE JAN 1    573                       463    110      538           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (30)          
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (30)          
  AVERAGE WIND SPEED     7.9                                          
  
SKY COVER                                                               
  POSSIBLE SUNSHINE  MM                                                   
  AVERAGE SKY COVER 0.1                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  THUNDERSTORM                                                          
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    83           6:00 AM                                        
 LOWEST     28           4:00 PM                                        
 AVERAGE    56                                                          
   
......................................................  
  
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   81        92      1999                        
                                             2008                       
                                             2013                       
 MINIMUM TEMPERATURE (F)   50        42      2020                        
  
SUNRISE AND SUNSET                                                      
AUGUST 30 2025........SUNRISE   6:36 AM MDT   SUNSET   7:51 PM MDT       
AUGUST 31 2025........SUNRISE   6:38 AM MDT   SUNSET   7:50 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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