630  
CDUS45 KRIW 270729  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST MON NOV 27 2023  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 26 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 28 MM 51 2017 28 0 29  
MINIMUM 2 MM -8 2011 7 -5 14  
2015  
AVERAGE 15 17 -2 22  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 1999 0.06 -0.06 0.10  
MONTH TO DATE 1.83 1.78 0.05 2.77  
SINCE SEP 1 8.07 5.20 2.87 6.22  
SINCE JAN 1 26.10 20.46 5.64 24.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 50 48 2 43  
MONTH TO DATE 955 1110 -155 1255  
SINCE SEP 1 2351 2670 -319 2553  
SINCE JUL 1 2884 3312 -428 2997  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 2.0  
 
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 88 2:00 AM  
LOWEST 50 1:00 PM  
AVERAGE 69  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 27 43 1998  
2017  
MINIMUM TEMPERATURE (F) 7 -12 2015  
 
SUNRISE AND SUNSET  
NOVEMBER 27 2023......SUNRISE 7:33 AM MST SUNSET 4:45 PM MST  
NOVEMBER 28 2023......SUNRISE 7:34 AM MST SUNSET 4:44 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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