314  
CDUS45 KRIW 070734  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT TUE OCT 07 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 6 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 49 4:43 PM 82 2020 63 -14 71  
MINIMUM 34 11:15 PM 18 2009 36 -2 38  
AVERAGE 42 49 -7 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.65 0.04 -0.02 0.00  
MONTH TO DATE 0.99 0.23 0.76 0.00  
SINCE SEP 1 1.98 1.00 0.98 0.07  
SINCE JAN 1 8.23 7.36 0.87 5.50  
 
SNOWFALL (IN)  
YESTERDAY T 2.2 2011 0.0  
MONTH TO DATE T 0.0  
SINCE SEP 1 T 0.0  
SINCE JUL 1 T 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 16 7 10  
MONTH TO DATE 70 87 -17 41  
SINCE SEP 1 167 292 -125 127  
SINCE JUL 1 170 328 -158 145  
 
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 8 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 56 4:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 77 2020  
MINIMUM TEMPERATURE (F) 35 17 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.  
 

 
 
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