693  
CDUS45 KRIW 120730  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1230 AM MST MON JAN 12 2026  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JANUARY 11 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 47 4:26 PM 49 1999 30 17 36  
2000  
MINIMUM 14 5:49 AM -11 1997 8 6 21  
AVERAGE 31 19 12 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.62 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.09 -0.08 0.24  
SINCE DEC 1 0.19 0.35 -0.16 0.29  
SINCE JAN 1 0.01 0.09 -0.08 0.24  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.1 2023 0.0  
MONTH TO DATE 0.2 3.8  
SINCE DEC 1 1.7 4.8  
SINCE JUL 1 3.7 8.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 46 -12 36  
MONTH TO DATE 337 510 -173 521  
SINCE DEC 1 1249 1917 -668 1615  
SINCE JUL 1 2692 3814 -1122 3132  
 
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 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.9  
 
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 77 6:00 AM  
LOWEST 28 2:00 PM  
AVERAGE 53  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 54 2022  
MINIMUM TEMPERATURE (F) 8 -14 2024  
 
SUNRISE AND SUNSET  
JANUARY 12 2026.......SUNRISE 7:44 AM MST SUNSET 5:01 PM MST  
JANUARY 13 2026.......SUNRISE 7:43 AM MST SUNSET 5:02 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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