976  
CDUS45 KRIW 160731  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT FRI JUN 16 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 15 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 54 3:26 PM 81 2021 61 -7 52  
MINIMUM 29 4:43 AM 25 2013 33 -4 29  
AVERAGE 42 47 -5 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 2018 0.08 -0.08 0.00  
MONTH TO DATE 1.10 1.41 -0.31 3.07  
SINCE JUN 1 1.10 1.41 -0.31 3.07  
SINCE JAN 1 11.44 11.44 -0.00 14.69  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 18 5 24  
MONTH TO DATE 245 303 -58 297  
SINCE JUN 1 245 303 -58 297  
SINCE JUL 1 11708 11776 -68 11357  
 
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 8 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.2  
 
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 4:00 AM  
LOWEST 42 1:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 75 2021  
MINIMUM TEMPERATURE (F) 33 26 2001  
 
SUNRISE AND SUNSET  
JUNE 16 2023..........SUNRISE 5:36 AM MDT SUNSET 9:09 PM MDT  
JUNE 17 2023..........SUNRISE 5:36 AM MDT SUNSET 9:09 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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