177  
CDUS45 KRIW 270801  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
200 AM MDT TUE JUN 27 2017  
 
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 26 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 305 PM 80 2015 67 10 70  
MINIMUM 34 456 AM 27 2007 37 -3 29  
1999  
AVERAGE 56 52 4 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 2014 0.06 -0.06 0.00  
MONTH TO DATE 1.19 1.83 -0.64 0.83  
SINCE JUN 1 1.19 1.83 -0.64 0.83  
SINCE JAN 1 18.40 10.91 7.49 9.89  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 13 -4 15  
MONTH TO DATE 423 443 -20 339  
SINCE JUN 1 423 443 -20 339  
SINCE JUL 1 11422 11471 -49 11092  
 
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 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.4  
 
 
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 100 500 AM  
LOWEST 14 200 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 81 2015  
MINIMUM TEMPERATURE (F) 37 27 2012  
 
 
SUNRISE AND SUNSET  
JUNE 27 2017..........SUNRISE 539 AM MDT SUNSET 911 PM MDT  
JUNE 28 2017..........SUNRISE 539 AM MDT SUNSET 911 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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