779  
CDUS45 KRIW 040728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT WED SEP 04 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 3 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 67 2:16 PM 80 2022 66 1 60  
MINIMUM 47 11:59 PM 27 2010 33 14 40  
AVERAGE 57 49 8 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.84 2023 0.05 0.09 0.84  
MONTH TO DATE 0.14 0.14 0.00 1.00  
SINCE SEP 1 0.14 0.14 0.00 1.00  
SINCE JAN 1 15.33 15.40 -0.07 19.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 16 -8 15  
MONTH TO DATE 23 46 -23 35  
SINCE SEP 1 23 46 -23 35  
SINCE JUL 1 600 688 -88 568  
 
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 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 40 1:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 81 2022  
MINIMUM TEMPERATURE (F) 33 27 2011  
2014  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2024.....SUNRISE 6:48 AM MDT SUNSET 7:52 PM MDT  
SEPTEMBER 5 2024.....SUNRISE 6:50 AM MDT SUNSET 7:50 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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