052  
CDUS45 KRIW 090731  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1231 AM MST THU JAN 09 2025  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JANUARY 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 18 4:13 PM 36 2002 23 -5 12  
MINIMUM -2 3:44 AM -28 2010 1 -3 -16  
AVERAGE 8 12 -4 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.00 2005 0.06 0.04 0.00  
MONTH TO DATE 0.98 0.53 0.45 0.19  
SINCE DEC 1 2.31 2.88 -0.57 1.36  
SINCE JAN 1 0.98 0.53 0.45 0.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 57 53 4 67  
MONTH TO DATE 384 424 -40 449  
SINCE DEC 1 1755 2036 -281 1892  
SINCE JUL 1 4862 5543 -681 4966  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 1.4  
 
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 88 9:00 PM  
LOWEST 77 3:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 36 2004  
MINIMUM TEMPERATURE (F) 1 -13 2011  
 
SUNRISE AND SUNSET  
JANUARY 9 2025.......SUNRISE 7:57 AM MST SUNSET 5:01 PM MST  
JANUARY 10 2025.......SUNRISE 7:57 AM MST SUNSET 5:02 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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