086  
CDUS45 KRIW 220731  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1231 AM MST WED JAN 22 2025  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JANUARY 21 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 13 2:25 PM 37 2005 23 -10 35  
MINIMUM -19 2:42 AM -26 2008 1 -20 26  
AVERAGE -3 12 -15 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.45 2002 0.05 -0.05 0.02  
MONTH TO DATE 1.27 1.28 -0.01 1.07  
SINCE DEC 1 2.60 3.63 -1.03 2.24  
SINCE JAN 1 1.27 1.28 -0.01 1.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 68 53 15 34  
MONTH TO DATE 1152 1113 39 1197  
SINCE DEC 1 2523 2725 -202 2640  
SINCE JUL 1 5630 6232 -602 5714  
 
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 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.6  
 
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 78 11:00 PM  
LOWEST 55 4:00 PM  
AVERAGE 67  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 34 2005  
2024  
MINIMUM TEMPERATURE (F) 1 -33 2008  
 
SUNRISE AND SUNSET  
JANUARY 22 2025.......SUNRISE 7:50 AM MST SUNSET 5:17 PM MST  
JANUARY 23 2025.......SUNRISE 7:49 AM MST SUNSET 5:19 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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