423  
CDUS45 KRIW 260735  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1235 AM MST TUE DEC 26 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 25 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 17 3:30 PM 32 1999 23 -6 31  
2005  
MINIMUM -11 3:20 AM -17 2002 1 -12 22  
AVERAGE 3 12 -9 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.36 2021 0.07 -0.07 0.12  
MONTH TO DATE 1.17 1.86 -0.69 2.22  
SINCE DEC 1 1.17 1.86 -0.69 2.22  
SINCE JAN 1 27.27 22.60 4.67 27.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 62 53 9 38  
MONTH TO DATE 1145 1294 -149 1338  
SINCE DEC 1 1145 1294 -149 1338  
SINCE JUL 1 4219 4801 -582 4558  
 
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 7 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 1.8  
 
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 11:00 AM  
LOWEST 73 3:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 34 2004  
2022  
MINIMUM TEMPERATURE (F) 1 -18 2015  
 
SUNRISE AND SUNSET  
DECEMBER 26 2023......SUNRISE 7:57 AM MST SUNSET 4:47 PM MST  
DECEMBER 27 2023......SUNRISE 7:57 AM MST SUNSET 4:48 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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