350  
CDUS45 KRIW 290732  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT THU JUN 29 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 28 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 64 4:11 PM 82 2013 67 -3 76  
2015  
2016  
MINIMUM 34 2:30 AM 31 2012 35 -1 36  
2014  
AVERAGE 49 51 -2 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 2020 0.06 -0.06 0.00  
MONTH TO DATE 2.88 2.27 0.61 3.46  
SINCE JUN 1 2.88 2.27 0.61 3.46  
SINCE JAN 1 13.22 12.30 0.92 15.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 14 2 9  
MONTH TO DATE 503 511 -8 501  
SINCE JUN 1 503 511 -8 501  
SINCE JUL 1 11966 11984 -18 11561  
 
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 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 2.0  
 
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 100 12:00 AM  
LOWEST 34 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 2015  
MINIMUM TEMPERATURE (F) 36 30 2014  
 
SUNRISE AND SUNSET  
JUNE 29 2023..........SUNRISE 5:40 AM MDT SUNSET 9:11 PM MDT  
JUNE 30 2023..........SUNRISE 5:40 AM MDT SUNSET 9:10 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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