820  
CDUS45 KRIW 170737  
CLIBYG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT TUE JUN 17 2025  
   
...............................
 
 
   
..THE BUFFALO WY CLIMATE SUMMARY FOR JUNE 16 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 75 1:13 PM 86 2021 74 1 67  
MINIMUM 50 3:36 AM 41 2000 50 0 47  
AVERAGE 63 62 1 57  
 
PRECIPITATION (IN)  
YESTERDAY T 0.76 2023 0.06 -0.06 0.00  
MONTH TO DATE 0.96 1.32 -0.36 0.22  
SINCE JUN 1 0.96 1.32 -0.36 0.22  
SINCE JAN 1 5.30 6.71 -1.41 4.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 5 -3 8  
MONTH TO DATE 90 106 -16 49  
SINCE JUN 1 90 106 -16 49  
SINCE JUL 1 6881 7243 -362 6622  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 27 17 10 19  
SINCE JUN 1 27 17 10 19  
SINCE JAN 1 38 24 14 19    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 46 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 65 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 40 4:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE BUFFALO WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 2022  
MINIMUM TEMPERATURE (F) 50 36 2000  
 
SUNRISE AND SUNSET  
JUNE 17 2025..........SUNRISE 5:22 AM MDT SUNSET 8:54 PM MDT  
JUNE 18 2025..........SUNRISE 5:22 AM MDT SUNSET 8:54 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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