964  
CDUS45 KRIW 250737  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1237 AM MST MON DEC 25 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 24 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 20 2:54 PM 32 1999 23 -3 29  
2005  
MINIMUM -9 11:59 PM -22 2017 2 -11 17  
AVERAGE 6 12 -6 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.36 2014 0.08 -0.08 0.07  
MONTH TO DATE 1.17 1.79 -0.62 2.10  
SINCE DEC 1 1.17 1.79 -0.62 2.10  
SINCE JAN 1 27.27 22.53 4.74 26.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 59 53 6 42  
MONTH TO DATE 1083 1241 -158 1300  
SINCE DEC 1 1083 1241 -158 1300  
SINCE JUL 1 4157 4748 -591 4520  
 
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 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (270)  
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 87 6:00 AM  
LOWEST 49 1:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 32 1999  
2005  
MINIMUM TEMPERATURE (F) 1 -17 2002  
 
SUNRISE AND SUNSET  
DECEMBER 25 2023......SUNRISE 7:57 AM MST SUNSET 4:47 PM MST  
DECEMBER 26 2023......SUNRISE 7:57 AM MST SUNSET 4:47 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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