345  
CDUS45 KRIW 020729  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT MON SEP 02 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 1 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 79 2:27 PM 80 2022 67 12 71  
MINIMUM 36 6:18 AM 25 2006 33 3 38  
AVERAGE 58 50 8 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.08 2012 0.05 -0.05 0.16  
MONTH TO DATE 0.00 0.05 -0.05 0.16  
SINCE SEP 1 0.00 0.05 -0.05 0.16  
SINCE JAN 1 15.19 15.31 -0.12 18.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 15 -8 10  
MONTH TO DATE 7 15 -8 10  
SINCE SEP 1 7 15 -8 10  
SINCE JUL 1 584 657 -73 543  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 1.5  
 
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 79 5:00 AM  
LOWEST 13 2:00 PM  
AVERAGE 46  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 79 2007  
2017  
2019  
MINIMUM TEMPERATURE (F) 33 25 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2024.....SUNRISE 6:46 AM MDT SUNSET 7:55 PM MDT  
SEPTEMBER 3 2024.....SUNRISE 6:47 AM MDT SUNSET 7:53 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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