105  
CDUS45 KRIW 050731  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT SUN OCT 05 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 4 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 61 2:56 PM 83 2024 64 -3 83  
MINIMUM 40 8:44 PM 24 2013 37 3 38  
AVERAGE 51 50 1 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 1.05 0.04 0.24 0.00  
MONTH TO DATE 0.28 0.15 0.13 0.00  
SINCE SEP 1 1.27 0.92 0.35 0.07  
SINCE JAN 1 7.52 7.28 0.24 5.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.3 2009 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 15 -1 4  
MONTH TO DATE 21 56 -35 29  
SINCE SEP 1 118 261 -143 115  
SINCE JUL 1 121 297 -176 133  
 
COOLING  
YESTERDAY 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 N (360)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 PM  
LOWEST 46 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 77 1996  
1997  
MINIMUM TEMPERATURE (F) 36 19 2013  
 
SUNRISE AND SUNSET  
OCTOBER 5 2025.......SUNRISE 7:16 AM MDT SUNSET 6:47 PM MDT  
OCTOBER 6 2025.......SUNRISE 7:17 AM MDT SUNSET 6:46 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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