700  
CDUS45 KRIW 070736  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1236 AM MST SUN DEC 07 2025  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 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 46 1:05 PM 48 2008 33 13 43  
MINIMUM 21 12:19 AM -13 2005 10 11 12  
2013  
AVERAGE 34 22 12 28  
 
PRECIPITATION (IN)  
YESTERDAY T 0.11 0.01 -0.01 0.00  
MONTH TO DATE 0.14 0.06 0.08 0.00  
SINCE DEC 1 0.14 0.06 0.08 0.00  
SINCE JAN 1 9.10 8.36 0.74 6.22  
 
SNOWFALL (IN)  
YESTERDAY T 2.0 2005 0.0  
MONTH TO DATE 1.5 0.0  
SINCE DEC 1 1.5 0.0  
SINCE JUL 1 3.5 3.8  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 44 -13 37  
MONTH TO DATE 233 256 -23 208  
SINCE DEC 1 233 256 -23 208  
SINCE JUL 1 1676 2153 -477 1725  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 611 499 112 610    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 16.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 7:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 60  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 56 2008  
MINIMUM TEMPERATURE (F) 10 -18 2005  
 
SUNRISE AND SUNSET  
DECEMBER 7 2025......SUNRISE 7:32 AM MST SUNSET 4:39 PM MST  
DECEMBER 8 2025......SUNRISE 7:33 AM MST SUNSET 4:39 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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