275  
CDUS45 KRIW 010732  
CLIBPI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT THU OCT 01 2026  
   
...............................  
 
   
..THE BIG PINEY WY CLIMATE SUMMARY FOR SEPTEMBER 30 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 74 3:28 PM 79 2011 63 11 66  
MINIMUM 38 5:58 AM 12 1983 27 11 35  
AVERAGE 56 45 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 1982 0.02 -0.02 0.04  
MONTH TO DATE 1.23 0.64 0.59 0.51  
SINCE SEP 1 1.23 0.64 0.59 0.51  
SINCE JAN 1 5.59 6.55 -0.96 6.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 20 -11 14  
MONTH TO DATE 318 429 -111 299  
SINCE SEP 1 318 429 -111 299  
SINCE JUL 1 435 705 -270 473  
 
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 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.1  
 
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 82 12:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 53  
   
......................................................  
 
THE BIG PINEY WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 79 2011  
MINIMUM TEMPERATURE (F) 27 11 1984  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 7:18 AM MDT SUNSET 7:01 PM MDT  
OCTOBER 2 2026.......SUNRISE 7:19 AM MDT SUNSET 7:00 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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