941  
CDUS45 KRIW 080045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT TUE OCT 07 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 7 2025  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 57 MM 77 2020 63 -6 75  
MINIMUM 31 MM 17 2000 35 -4 46  
AVERAGE 44 49 -5 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.93 2011 0.04 -0.04 0.00  
MONTH TO DATE 0.99 0.27 0.72 0.00  
SINCE SEP 1 1.98 1.04 0.94 0.07  
SINCE JAN 1 8.23 7.40 0.83 5.50  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T 0.0  
SINCE SEP 1 T 0.0  
SINCE JUL 1 T 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 21 16 5 4  
MONTH TO DATE 91 103 -12 45  
SINCE SEP 1 188 308 -120 131  
SINCE JUL 1 191 344 -153 149  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 37 31 6 68  
SINCE JAN 1 611 499 112 610    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 49  
AVERAGE 75  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 80 2020  
MINIMUM TEMPERATURE (F) 35 19 2000  
 
SUNRISE AND SUNSET  
OCTOBER 7 2025.......SUNRISE 7:18 AM MDT SUNSET 6:44 PM MDT  
OCTOBER 8 2025.......SUNRISE 7:20 AM MDT SUNSET 6:42 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab WY Page
Main Text Page