321  
CDUS45 KRIW 290730  
CLIBYG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT FRI AUG 29 2025  
   
...............................
 
 
   
..THE BUFFALO WY CLIMATE SUMMARY FOR AUGUST 28 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 9:55 AM 97 2012 80 -7 77  
MINIMUM 58 10:15 PM 44 2008 54 4 49  
2018  
AVERAGE 66 67 -1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 0.26 2023 0.03 0.15 0.00  
MONTH TO DATE 0.28 0.68 -0.40 1.36  
SINCE JUN 1 3.97 4.38 -0.41 3.04  
SINCE JAN 1 8.31 9.77 -1.46 7.59  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 16 27 -11 32  
SINCE JUN 1 163 197 -34 173  
SINCE JUL 1 35 47 -12 71  
 
COOLING  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 155 179 -24 188  
SINCE JUN 1 432 450 -18 507  
SINCE JAN 1 443 457 -14 507    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 8:00 PM  
LOWEST 42 12:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE BUFFALO WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 99 2012  
MINIMUM TEMPERATURE (F) 54 42 2024  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 6:27 AM MDT SUNSET 7:48 PM MDT  
AUGUST 30 2025........SUNRISE 6:28 AM MDT SUNSET 7:46 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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