738  
CDUS45 KRIW 300729  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST SAT DEC 30 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 29 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 29 4:03 PM 34 2004 23 6 19  
MINIMUM 2 8:22 AM -16 2014 1 1 10  
AVERAGE 16 12 4 15  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.63 2007 0.09 -0.09 0.01  
MONTH TO DATE 1.17 2.20 -1.03 3.05  
SINCE DEC 1 1.17 2.20 -1.03 3.05  
SINCE JAN 1 27.27 22.94 4.33 27.83  
 
DEGREE DAYS  
HEATING  
YESTERDAY 49 53 -4 50  
MONTH TO DATE 1349 1506 -157 1506  
SINCE DEC 1 1349 1506 -157 1506  
SINCE JUL 1 4423 5013 -590 4726  
 
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 (290)  
HIGHEST GUST SPEED 6 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 0.1  
 
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 95 10:00 AM  
LOWEST 71 4:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 34 2011  
MINIMUM TEMPERATURE (F) 1 -27 2014  
 
SUNRISE AND SUNSET  
DECEMBER 30 2023......SUNRISE 7:58 AM MST SUNSET 4:50 PM MST  
DECEMBER 31 2023......SUNRISE 7:58 AM MST SUNSET 4:51 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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