358  
CDUS45 KRIW 170757  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
156 AM MDT TUE JUL 17 2018  
 
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 16 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 420 PM 85 2003 73 2 77  
MINIMUM 47 1159 PM 33 2010 40 7 45  
AVERAGE 61 56 5 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 2012 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.72 -0.72 0.33  
SINCE JUN 1 4.02 2.72 1.30 2.31  
SINCE JAN 1 17.64 11.80 5.84 19.52  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 9 -5 4  
MONTH TO DATE 116 162 -46 102  
SINCE JUN 1 635 655 -20 598  
SINCE JUL 1 116 162 -46 102  
 
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 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (260)  
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 86 600 AM  
LOWEST 31 500 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 82 2006  
MINIMUM TEMPERATURE (F) 40 30 2016  
 
 
SUNRISE AND SUNSET  
JULY 17 2018..........SUNRISE 553 AM MDT SUNSET 902 PM MDT  
JULY 18 2018..........SUNRISE 554 AM MDT SUNSET 902 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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