554  
CDUS45 KRIW 090729  
CLIBYG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT FRI MAY 09 2025  
   
...............................  
 
   
..THE BUFFALO WY CLIMATE SUMMARY FOR MAY 8 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 74 3:20 PM 81 2004 60 14 47  
MINIMUM 44 4:46 AM 25 2002 39 5 34  
2010  
AVERAGE 59 49 10 41  
 
PRECIPITATION (IN)  
YESTERDAY T 0.40 2003 0.08 -0.08 0.12  
MONTH TO DATE 0.40 0.55 -0.15 1.36  
SINCE MAR 1 1.91 2.74 -0.83 2.24  
SINCE JAN 1 1.95 3.21 -1.26 2.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 16 -10 24  
MONTH TO DATE 72 137 -65 174  
SINCE MAR 1 1570 1706 -136 1697  
SINCE JUL 1 6512 6862 -350 6290  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 8:00 PM  
LOWEST 28 1:00 PM  
AVERAGE 43  
   
......................................................  
 
THE BUFFALO WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 78 2012  
MINIMUM TEMPERATURE (F) 39 20 2002  
 
SUNRISE AND SUNSET  
MAY 9 2025...........SUNRISE 5:46 AM MDT SUNSET 8:21 PM MDT  
MAY 10 2025...........SUNRISE 5:45 AM MDT SUNSET 8:22 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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