827  
CDUS45 KRIW 110728  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SAT OCT 11 2025  
   
...............................  
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR OCTOBER 10 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1976 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 3:36 PM 77 1996 58 7 75  
2015  
MINIMUM 41 5:20 AM 11 2009 24 17 27  
2019  
AVERAGE 53 41 12  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.12 2008 0.02 0.02 0.00  
MONTH TO DATE 0.70 0.25 0.45 0.00  
SINCE SEP 1 1.21 0.89 0.32 0.29  
SINCE JAN 1 7.07 6.80 0.27 3.32  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 24 -12 14  
MONTH TO DATE 197 222 -25 146  
SINCE SEP 1 496 650 -154 464  
SINCE JUL 1 670 926 -256 676  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JAN 1 41 30 11 64    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 PM  
LOWEST 45 2:00 PM  
AVERAGE 71  
   
......................................................  
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 75 1976  
1991  
2024  
MINIMUM TEMPERATURE (F) 23 4 2019  
 
SUNRISE AND SUNSET  
OCTOBER 11 2025.......SUNRISE 7:29 AM MDT SUNSET 6:44 PM MDT  
OCTOBER 12 2025.......SUNRISE 7:30 AM MDT SUNSET 6:42 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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