384  
CDUS45 KRIW 120727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SUN MAY 12 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 11 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM MM MM 68 2007 49 MM 46  
MINIMUM MM MM 15 2022 25 MM 30  
AVERAGE MM 37 MM 38  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.20 2008 0.07 MM 0.05  
MONTH TO DATE 0.82 0.71 0.11 0.84  
SINCE MAR 1 6.15 4.89 1.26 6.77  
SINCE JAN 1 10.62 8.39 2.23 9.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 28 MM 27  
MONTH TO DATE 336 327 9 289  
SINCE MAR 1 2488 2773 -285 3080  
SINCE JUL 1 9962 10977 -1015 11053  
 
COOLING  
YESTERDAY MM 0 MM 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 70 2001  
2007  
MINIMUM TEMPERATURE (F) 25 17 2014  
 
SUNRISE AND SUNSET  
MAY 12 2024...........SUNRISE 5:57 AM MDT SUNSET 8:40 PM MDT  
MAY 13 2024...........SUNRISE 5:56 AM MDT SUNSET 8:41 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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