590  
CDUS45 KRIW 050729  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT THU OCT 05 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 4 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 3:05 PM 65 2020 51 -7 58  
MINIMUM 32 5:41 AM 12 2013 26 6 28  
AVERAGE 38 38 0 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.66 2018 0.06 -0.05 0.00  
MONTH TO DATE 0.27 0.22 0.05 0.37  
SINCE SEP 1 3.89 1.79 2.10 1.99  
SINCE JAN 1 21.92 17.05 4.87 20.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 26 1 22  
MONTH TO DATE 103 103 0 96  
SINCE SEP 1 599 691 -92 551  
SINCE JUL 1 1132 1333 -201 995  
 
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 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.1  
 
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 96 12:00 AM  
LOWEST 73 12:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 64 2003  
2021  
MINIMUM TEMPERATURE (F) 26 8 2013  
 
SUNRISE AND SUNSET  
OCTOBER 5 2023.......SUNRISE 7:24 AM MDT SUNSET 6:55 PM MDT  
OCTOBER 6 2023.......SUNRISE 7:25 AM MDT SUNSET 6:53 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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