836  
CDUS45 KRIW 120045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SAT OCT 11 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 11 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 72 3:12 PM 79 1996 60 12 74  
MINIMUM 47 6:04 AM 10 2019 34 13 47  
AVERAGE 60 47 13 61  
 
PRECIPITATION (IN)  
TODAY 0.00 1.11 2023 0.03 -0.03 0.00  
MONTH TO DATE 0.99 0.40 0.59 0.00  
SINCE SEP 1 1.98 1.17 0.81 0.07  
SINCE JAN 1 8.23 7.53 0.70 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 5 18 -13 4  
MONTH TO DATE 128 173 -45 64  
SINCE SEP 1 225 378 -153 150  
SINCE JUL 1 228 414 -186 168  
 
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 29 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 37  
AVERAGE 65  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 77 1996  
MINIMUM TEMPERATURE (F) 33 18 2008  
 
SUNRISE AND SUNSET  
OCTOBER 11 2025.......SUNRISE 7:23 AM MDT SUNSET 6:37 PM MDT  
OCTOBER 12 2025.......SUNRISE 7:24 AM MDT SUNSET 6:35 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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