425  
CDUS45 KRIW 180728  
CLIBYG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SAT OCT 18 2025  
   
...............................  
 
   
..THE BUFFALO WY CLIMATE SUMMARY FOR OCTOBER 17 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 58 3:41 PM 83 2003 57 1 66  
MINIMUM 35 6:43 AM 22 2006 35 0 36  
AVERAGE 47 46 1 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.45 2020 0.03 -0.02 0.37  
MONTH TO DATE 1.86 0.71 1.15 0.37  
SINCE SEP 1 2.53 1.88 0.65 0.55  
SINCE JAN 1 10.88 11.72 -0.84 8.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 19 -1 14  
MONTH TO DATE 247 278 -31 92  
SINCE SEP 1 336 491 -155 174  
SINCE JUL 1 377 548 -171 251  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 3  
SINCE SEP 1 49 57 -8 147  
SINCE JAN 1 494 525 -31 663    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 11:00 PM  
LOWEST 40 3:00 PM  
AVERAGE 68  
   
......................................................  
 
THE BUFFALO WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 79 2000  
2003  
MINIMUM TEMPERATURE (F) 34 17 2006  
 
SUNRISE AND SUNSET  
OCTOBER 18 2025.......SUNRISE 7:26 AM MDT SUNSET 6:17 PM MDT  
OCTOBER 19 2025.......SUNRISE 7:27 AM MDT SUNSET 6:15 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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