228  
CDUS45 KRIW 300738  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1238 AM MST THU JAN 30 2025  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JANUARY 29 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 31 3:37 PM 41 2024 23 8 41  
MINIMUM -5 7:55 AM -34 2023 1 -6 21  
AVERAGE 13 12 1 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.42 2014 0.05 -0.05 0.00  
MONTH TO DATE 1.43 1.70 -0.27 1.18  
SINCE DEC 1 2.76 4.05 -1.29 2.35  
SINCE JAN 1 1.43 1.70 -0.27 1.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 52 53 -1 34  
MONTH TO DATE 1643 1537 106 1510  
SINCE DEC 1 3014 3149 -135 2953  
SINCE JUL 1 6121 6656 -535 6027  
 
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 NW (320)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 0.3  
 
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 8:00 PM  
LOWEST 51 3:00 PM  
AVERAGE 70  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 34 2018  
2024  
MINIMUM TEMPERATURE (F) 1 -42 2023  
 
SUNRISE AND SUNSET  
JANUARY 30 2025.......SUNRISE 7:42 AM MST SUNSET 5:28 PM MST  
JANUARY 31 2025.......SUNRISE 7:41 AM MST SUNSET 5:30 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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