374  
CDUS45 KRIW 240728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE JUN 24 2025  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 23 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 53 MM 80 2012 64 -11 79  
MINIMUM 27R MM 27 2003 34 -7 37  
2009  
2017  
AVERAGE 40 49 -9 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 2018 0.06 -0.06 0.00  
MONTH TO DATE 0.63 1.98 -1.35 0.73  
SINCE JUN 1 0.63 1.98 -1.35 0.73  
SINCE JAN 1 9.86 12.01 -2.15 12.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 16 9 7  
MONTH TO DATE 347 438 -91 354  
SINCE JUN 1 347 438 -91 354  
SINCE JUL 1 9179 11911 -2732 10756  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 5 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 1.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 82 2012  
MINIMUM TEMPERATURE (F) 35 28 2017  
 
SUNRISE AND SUNSET  
JUNE 24 2025..........SUNRISE 5:38 AM MDT SUNSET 9:11 PM MDT  
JUNE 25 2025..........SUNRISE 5:38 AM MDT SUNSET 9:11 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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