361  
CDUS45 KRIW 190729  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST MON JAN 19 2026  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 18 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 41 12:32 PM 53 1999 31 10 11  
MINIMUM 15 5:45 AM -17 1996 8 7 -9  
AVERAGE 28 19 9 1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 0.01 -0.01 0.03  
MONTH TO DATE 0.01 0.15 -0.14 0.38  
SINCE DEC 1 0.19 0.41 -0.22 0.43  
SINCE JAN 1 0.01 0.15 -0.14 0.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 2007 0.3  
2025  
MONTH TO DATE 0.2 5.7  
SINCE DEC 1 1.7 6.7  
SINCE JUL 1 3.7 10.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 46 -9 64  
MONTH TO DATE 541 832 -291 870  
SINCE DEC 1 1453 2239 -786 1964  
SINCE JUL 1 2896 4136 -1240 3481  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 11:00 PM  
LOWEST 39 11:00 AM  
AVERAGE 51  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 57 2009  
MINIMUM TEMPERATURE (F) 8 -14 2025  
 
SUNRISE AND SUNSET  
JANUARY 19 2026.......SUNRISE 7:40 AM MST SUNSET 5:10 PM MST  
JANUARY 20 2026.......SUNRISE 7:39 AM MST SUNSET 5:11 PM MST  
 
- 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