531  
CDUS45 KRIW 040045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT FRI OCT 03 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 3 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 82R MM 82 2010 65 17 66  
MINIMUM 45 MM 24 2017 37 8 42  
AVERAGE 64 51 13 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.76 2016 0.03 -0.03 0.00  
MONTH TO DATE 0.00 0.11 -0.11 0.00  
SINCE SEP 1 0.99 0.88 0.11 0.07  
SINCE JAN 1 7.24 7.24 -0.00 5.50  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE SEP 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 1 14 -13 11  
MONTH TO DATE 7 41 -34 25  
SINCE SEP 1 104 246 -142 111  
SINCE JUL 1 107 282 -175 129  
 
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 16 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 7.0  
 
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 65  
LOWEST 18  
AVERAGE 42  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 83 2024  
MINIMUM TEMPERATURE (F) 37 24 2013  
 
SUNRISE AND SUNSET  
OCTOBER 3 2025.......SUNRISE 7:14 AM MDT SUNSET 6:51 PM MDT  
OCTOBER 4 2025.......SUNRISE 7:15 AM MDT SUNSET 6:49 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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