622  
CDUS45 KRIW 200805  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
205 AM MDT TUE AUG 20 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 19 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 75 2:40 PM 81 2013 70 5 67  
MINIMUM 47 11:59 PM 28 2015 37 10 42  
AVERAGE 61 53 8 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.28 2005 0.04 -0.04 0.09  
MONTH TO DATE 0.96 0.81 0.15 2.43  
SINCE JUN 1 2.70 4.70 -2.00 5.75  
SINCE JAN 1 14.90 14.73 0.17 16.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 12 -8 10  
MONTH TO DATE 167 186 -19 190  
SINCE JUN 1 858 1020 -162 934  
SINCE JUL 1 429 482 -53 402  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.5  
 
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 83 5:00 AM  
LOWEST 34 6:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 81 2013  
MINIMUM TEMPERATURE (F) 36 27 2016  
 
SUNRISE AND SUNSET  
AUGUST 20 2024........SUNRISE 6:31 AM MDT SUNSET 8:18 PM MDT  
AUGUST 21 2024........SUNRISE 6:32 AM MDT SUNSET 8:16 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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