344  
CDUS45 KRIW 010732  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1232 AM MST WED JAN 01 2025  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 31 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 18 1:27 PM 32 2005 23 -5 30  
MINIMUM 3 8:24 AM -21 2010 1 2 6  
2014  
2018  
AVERAGE 11 12 -1 18  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.54 2007 0.07 -0.05 0.00  
MONTH TO DATE 1.33 2.35 -1.02 1.17  
SINCE DEC 1 1.33 2.35 -1.02 1.17  
SINCE JAN 1 19.71 23.09 -3.38 27.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 54 53 1 47  
MONTH TO DATE 1371 1612 -241 1443  
SINCE DEC 1 1371 1612 -241 1443  
SINCE JUL 1 4478 5119 -641 4517  
 
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 8 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 2.4  
 
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 87 6:00 AM  
LOWEST 61 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 30 2006  
2023  
MINIMUM TEMPERATURE (F) 1 -22 2016  
2022  
 
SUNRISE AND SUNSET  
JANUARY 1 2025.......SUNRISE 7:58 AM MST SUNSET 4:53 PM MST  
JANUARY 2 2025.......SUNRISE 7:58 AM MST SUNSET 4:54 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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