555  
CDUS45 KRIW 060729  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SAT SEP 06 2025  
   
...............................
 
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 5 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 74 4:33 PM 91 2020 74 0 74  
MINIMUM 39 5:40 AM 22 1994 35 4 33  
AVERAGE 57 54 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.28 2007 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.10 -0.10 0.16  
SINCE SEP 1 0.00 0.10 -0.10 0.16  
SINCE JAN 1 5.86 6.01 -0.15 3.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 10 -2 11  
MONTH TO DATE 25 49 -24 35  
SINCE SEP 1 25 49 -24 35  
SINCE JUL 1 199 325 -126 247  
 
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 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 28 4:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2022  
MINIMUM TEMPERATURE (F) 35 19 1996  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2025.....SUNRISE 6:51 AM MDT SUNSET 7:45 PM MDT  
SEPTEMBER 7 2025.....SUNRISE 6:52 AM MDT SUNSET 7:44 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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