927  
CDUS45 KRIW 230739  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1239 AM MST SAT DEC 23 2023  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 22 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 36 1:49 PM 38 2019 23 13 -8  
MINIMUM 24 12:03 AM -36 2022 2 22 -36  
AVERAGE 30 12 18 -22  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.30 2021 0.08 -0.06 0.00  
MONTH TO DATE 1.13 1.63 -0.50 2.00  
SINCE DEC 1 1.13 1.63 -0.50 2.00  
SINCE JAN 1 27.23 22.37 4.86 26.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 53 -18 87  
MONTH TO DATE 981 1135 -154 1197  
SINCE DEC 1 981 1135 -154 1197  
SINCE JUL 1 4055 4642 -587 4417  
 
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 (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 0.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 11:00 PM  
LOWEST 64 2:00 PM  
AVERAGE 80  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 37 2019  
MINIMUM TEMPERATURE (F) 2 -27 1998  
 
SUNRISE AND SUNSET  
DECEMBER 23 2023......SUNRISE 7:56 AM MST SUNSET 4:45 PM MST  
DECEMBER 24 2023......SUNRISE 7:56 AM MST SUNSET 4:46 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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