609  
CDUS45 KRIW 220735  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT THU AUG 22 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 21 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 73 2:24 PM 82 2009 70 3 69  
MINIMUM 39 11:51 PM 32 2000 36 3 48  
2021  
AVERAGE 56 53 3 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.64 2004 0.04 -0.04 0.26  
MONTH TO DATE 1.01 0.89 0.12 3.52  
SINCE JUN 1 2.75 4.78 -2.03 6.84  
SINCE JAN 1 14.95 14.81 0.14 17.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 12 -3 6  
MONTH TO DATE 182 210 -28 209  
SINCE JUN 1 873 1044 -171 953  
SINCE JUL 1 444 506 -62 421  
 
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 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
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 86 5:00 AM  
LOWEST 16 2:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 83 2009  
MINIMUM TEMPERATURE (F) 36 27 2008  
 
SUNRISE AND SUNSET  
AUGUST 22 2024........SUNRISE 6:33 AM MDT SUNSET 8:15 PM MDT  
AUGUST 23 2024........SUNRISE 6:34 AM MDT SUNSET 8:13 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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