379  
CDUS45 KRIW 150735  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT TUE SEP 15 2026  
   
...............................
 
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 14 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1976 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 4:16 PM 83 1990 71 -4 70  
MINIMUM 36 6:08 AM 19 1992 32 4 31  
AVERAGE 52 52 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 2016 0.02 -0.02 0.00  
MONTH TO DATE 0.09 0.28 -0.19 0.20  
SINCE SEP 1 0.09 0.28 -0.19 0.20  
SINCE JAN 1 4.45 6.19 -1.74 6.06  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 14 -1 14  
MONTH TO DATE 114 159 -45 99  
SINCE SEP 1 114 159 -45 99  
SINCE JUL 1 231 435 -204 273  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JAN 1 163 30 133 41    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 4:00 AM  
LOWEST 18 4:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 85 2000  
MINIMUM TEMPERATURE (F) 32 20 1979  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2026.....SUNRISE 7:00 AM MDT SUNSET 7:30 PM MDT  
SEPTEMBER 16 2026.....SUNRISE 7:01 AM MDT SUNSET 7:28 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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