112   
CDUS45 KRIW 190732  
CLIRIW  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT THU JUN 19 2025  
   
...............................  
  
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JUNE 18 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         87   5:39 PM  92    2021  80      7       65          
  MINIMUM         46   4:54 AM  37    2020  49     -3       42          
  AVERAGE         67                        64      3       54       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          0.23        0.02  -0.02     0.00       
  MONTH TO DATE    0.79                      0.67   0.12     0.01       
  SINCE JUN 1      0.79                      0.67   0.12     0.01       
  SINCE JAN 1      5.31                      5.13   0.18     4.65       
  
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     30.7                                      36.7        
  SNOW DEPTH       0                                                   
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        0                         3     -3       11          
  MONTH TO DATE   62                        91    -29       22          
  SINCE JUN 1     62                        91    -29       22          
  SINCE JUL 1   7218                      7903   -685     7473          
  
 COOLING                                                                
  YESTERDAY        2                         2      0        0          
  MONTH TO DATE   56                        27     29       69          
  SINCE JUN 1     56                        27     29       69          
  SINCE JAN 1     62                        35     27       69           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (230)         
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (210)         
  AVERAGE WIND SPEED     7.0                                          
  
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    89           5:00 AM                                        
 LOWEST     11           5:00 PM                                        
 AVERAGE    50                                                          
   
......................................................  
  
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   80        95      2021                        
 MINIMUM TEMPERATURE (F)   49        37      2024                        
  
SUNRISE AND SUNSET                                                      
JUNE 19 2025..........SUNRISE   5:34 AM MDT   SUNSET   8:56 PM MDT       
JUNE 20 2025..........SUNRISE   5:34 AM MDT   SUNSET   8:57 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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