439  
CDUS45 KRIW 020727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SAT DEC 02 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 1 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 25 1:18 PM 41 2003 26 -1 26  
MINIMUM 13 8:16 AM -11 2009 6 7 21  
AVERAGE 19 16 3 24  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.94 2022 0.07 -0.04 0.94  
MONTH TO DATE 0.03 0.07 -0.04 0.94  
SINCE DEC 1 0.03 0.07 -0.04 0.94  
SINCE JAN 1 26.13 20.81 5.32 25.72  
 
DEGREE DAYS  
HEATING  
YESTERDAY 46 49 -3 41  
MONTH TO DATE 46 49 -3 41  
SINCE DEC 1 46 49 -3 41  
SINCE JUL 1 3120 3556 -436 3261  
 
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 25 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 8:00 AM  
LOWEST 60 1:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 26 41 2021  
MINIMUM TEMPERATURE (F) 5 -17 2009  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 7:39 AM MST SUNSET 4:43 PM MST  
DECEMBER 3 2023......SUNRISE 7:40 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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