554  
CDUS45 KRIW 130736  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT MON OCT 13 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 12 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 56 2:56 PM 77 1996 60 -4 73  
MINIMUM 35 9:54 PM 18 2008 33 2 45  
AVERAGE 46 46 0 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.95 0.03 -0.03 0.00  
MONTH TO DATE 0.99 0.43 0.56 0.00  
SINCE SEP 1 1.98 1.20 0.78 0.07  
SINCE JAN 1 8.23 7.56 0.67 5.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.6 2008 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 19 18 1 6  
MONTH TO DATE 147 191 -44 70  
SINCE SEP 1 244 396 -152 156  
SINCE JUL 1 247 432 -185 174  
 
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 35 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 11:00 PM  
LOWEST 20 3:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 78 1996  
MINIMUM TEMPERATURE (F) 33 11 2008  
 
SUNRISE AND SUNSET  
OCTOBER 13 2025.......SUNRISE 7:25 AM MDT SUNSET 6:34 PM MDT  
OCTOBER 14 2025.......SUNRISE 7:27 AM MDT SUNSET 6:32 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