052  
CDUS45 KRIW 090727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SAT DEC 09 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 8 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 23 12:16 PM 38 2014 24 -1 17  
MINIMUM 4 9:58 PM -25 2013 4 0 -1  
AVERAGE 14 14 0 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 0.55 2019 0.08 0.15 0.01  
MONTH TO DATE 0.88 0.58 0.30 1.56  
SINCE DEC 1 0.88 0.58 0.30 1.56  
SINCE JAN 1 26.98 21.32 5.66 26.34  
 
DEGREE DAYS  
HEATING  
YESTERDAY 51 51 0 57  
MONTH TO DATE 341 402 -61 403  
SINCE DEC 1 341 402 -61 403  
SINCE JUL 1 3415 3909 -494 3623  
 
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 9 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 2.1  
 
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 92 8:00 AM  
LOWEST 73 6:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 24 39 2014  
2020  
MINIMUM TEMPERATURE (F) 4 -28 2013  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 7:46 AM MST SUNSET 4:42 PM MST  
DECEMBER 10 2023......SUNRISE 7:47 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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