281  
CDUS45 KRIW 180045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
545 PM MST SAT JAN 17 2026  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 17 2026
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 38 4:06 PM 50 2000 31 7 36  
2009  
MINIMUM 11 7:02 AM -11 1997 8 3 11  
AVERAGE 25 19 6 24  
 
PRECIPITATION (IN)  
TODAY 0.00 0.11 2025 0.00 0.00 0.11  
MONTH TO DATE 0.01 0.14 -0.13 0.35  
SINCE DEC 1 0.19 0.40 -0.21 0.40  
SINCE JAN 1 0.01 0.14 -0.13 0.35  
 
SNOWFALL (IN)  
TODAY MM 1.6  
MONTH TO DATE 0.2 5.4  
SINCE DEC 1 1.7 6.4  
SINCE JUL 1 3.7 10.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 40 46 -6 41  
MONTH TO DATE 504 786 -282 806  
SINCE DEC 1 1416 2193 -777 1900  
SINCE JUL 1 2859 4090 -1231 3417  
 
COOLING  
TODAY 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 20 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64  
LOWEST 27  
AVERAGE 46  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 53 1999  
MINIMUM TEMPERATURE (F) 8 -17 1996  
 
SUNRISE AND SUNSET  
JANUARY 17 2026.......SUNRISE 7:41 AM MST SUNSET 5:07 PM MST  
JANUARY 18 2026.......SUNRISE 7:41 AM MST SUNSET 5:08 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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