071  
CDUS45 KRIW 060731  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT WED SEP 06 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 5 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 60 3:13 PM 82 2020 65 -5 81  
MINIMUM 38 6:04 AM 24 2008 33 5 39  
AVERAGE 49 49 0 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.21 2015 0.05 -0.04 0.00  
MONTH TO DATE 1.17 0.24 0.93 0.00  
SINCE SEP 1 1.17 0.24 0.93 0.00  
SINCE JAN 1 19.20 15.50 3.70 18.01  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 16 0 5  
MONTH TO DATE 69 78 -9 28  
SINCE SEP 1 69 78 -9 28  
SINCE JUL 1 602 720 -118 472  
 
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 8 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 49 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 82 2022  
MINIMUM TEMPERATURE (F) 32 22 2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2023.....SUNRISE 6:50 AM MDT SUNSET 7:49 PM MDT  
SEPTEMBER 7 2023.....SUNRISE 6:51 AM MDT SUNSET 7:47 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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