048  
CDUS45 KRIW 040728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST WED DEC 04 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 3 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 36 MM 41 2021 25 11 28  
MINIMUM 9 MM -20 2009 5 4 -2  
AVERAGE 23 15 8 13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.84 2007 0.08 -0.08 0.11  
MONTH TO DATE 0.00 0.22 -0.22 0.27  
SINCE DEC 1 0.00 0.22 -0.22 0.27  
SINCE JAN 1 18.38 20.96 -2.58 26.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 50 -8 52  
MONTH TO DATE 134 149 -15 147  
SINCE DEC 1 134 149 -15 147  
SINCE JUL 1 3241 3656 -415 3221  
 
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 5 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
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 96 11:00 AM  
LOWEST 69 3:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 25 38 2021  
MINIMUM TEMPERATURE (F) 5 -18 2013  
 
SUNRISE AND SUNSET  
DECEMBER 4 2024......SUNRISE 7:42 AM MST SUNSET 4:42 PM MST  
DECEMBER 5 2024......SUNRISE 7:43 AM MST SUNSET 4:42 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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