378  
CDUS45 KRIW 140728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE MAY 14 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 13 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 70 2013 50 MM 51  
MINIMUM MM MM 12 2014 26 MM 31  
AVERAGE MM 38 MM 41  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.17 2020 0.07 MM 0.00  
MONTH TO DATE 0.82 0.85 -0.03 0.84  
SINCE MAR 1 6.15 5.03 1.12 6.77  
SINCE JAN 1 10.62 8.53 2.09 9.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 27 MM 24  
MONTH TO DATE 336 382 -46 339  
SINCE MAR 1 2488 2828 -340 3130  
SINCE JUL 1 9962 11032 -1070 11103  
 
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 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 2.3  
 
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 89 8:00 PM  
LOWEST 31 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 64 2006  
2013  
MINIMUM TEMPERATURE (F) 26 16 1999  
 
SUNRISE AND SUNSET  
MAY 14 2024...........SUNRISE 5:54 AM MDT SUNSET 8:42 PM MDT  
MAY 15 2024...........SUNRISE 5:53 AM MDT SUNSET 8:43 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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