135  
CDUS45 KRIW 130733  
CLIBYG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT WED AUG 13 2025  
   
...............................
 
 
   
..THE BUFFALO WY CLIMATE SUMMARY FOR AUGUST 12 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 88 3:22 PM 100 2018 84 4 87  
MINIMUM 54 5:38 AM 43 2005 58 -4 52  
AVERAGE 71 71 0 70  
 
PRECIPITATION (IN)  
YESTERDAY T 0.33 2002 0.03 -0.03 0.00  
MONTH TO DATE 0.03 0.33 -0.30 0.98  
SINCE JUN 1 3.72 4.03 -0.31 2.66  
SINCE JAN 1 8.06 9.42 -1.36 7.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 10 4 6 23  
SINCE JUN 1 157 174 -17 164  
SINCE JUL 1 29 24 5 62  
 
COOLING  
YESTERDAY 6 7 -1 5  
MONTH TO DATE 51 90 -39 82  
SINCE JUN 1 328 361 -33 401  
SINCE JAN 1 339 368 -29 401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 3:00 AM  
LOWEST 21 4:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE BUFFALO WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 96 2003  
MINIMUM TEMPERATURE (F) 58 44 2005  
 
SUNRISE AND SUNSET  
AUGUST 13 2025........SUNRISE 6:08 AM MDT SUNSET 8:14 PM MDT  
AUGUST 14 2025........SUNRISE 6:09 AM MDT SUNSET 8:13 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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