622  
CDUS45 KRIW 210745  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
145 AM MDT WED AUG 21 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 20 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 77 3:27 PM 81 2013 70 7 56  
MINIMUM 41 5:57 AM 27 2016 36 5 48  
AVERAGE 59 53 6 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.83 2023 0.04 0.01 0.83  
MONTH TO DATE 1.01 0.85 0.16 3.26  
SINCE JUN 1 2.75 4.74 -1.99 6.58  
SINCE JAN 1 14.95 14.77 0.18 16.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 12 -6 13  
MONTH TO DATE 173 198 -25 203  
SINCE JUN 1 864 1032 -168 947  
SINCE JUL 1 435 494 -59 415  
 
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 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.4  
 
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 93 6:00 AM  
LOWEST 23 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 82 2009  
MINIMUM TEMPERATURE (F) 36 32 2000  
2021  
 
SUNRISE AND SUNSET  
AUGUST 21 2024........SUNRISE 6:32 AM MDT SUNSET 8:16 PM MDT  
AUGUST 22 2024........SUNRISE 6:33 AM MDT SUNSET 8:15 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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