867  
CDUS45 KRIW 260743  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SUN MAR 26 2017  
 
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MARCH 25 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 38 1202 PM 51 1999 39 -1 29  
MINIMUM 20 1118 PM -21 2013 12 8 8  
AVERAGE 29 26 3 19  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.24 2001 0.05 0.01 0.03  
MONTH TO DATE 1.91 0.92 0.99 1.88  
SINCE MAR 1 1.91 0.92 0.99 1.88  
SINCE JAN 1 12.15 4.44 7.71 4.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 39 -3 46  
MONTH TO DATE 899 1071 -172 1075  
SINCE MAR 1 899 1071 -172 1075  
SINCE JUL 1 8957 9008 -51 8859  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 1.6  
 
 
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 100 300 AM  
LOWEST 56 500 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 48 2007  
MINIMUM TEMPERATURE (F) 12 -6 2013  
 
 
SUNRISE AND SUNSET  
MARCH 26 2017.........SUNRISE 713 AM MDT SUNSET 742 PM MDT  
MARCH 27 2017.........SUNRISE 711 AM MDT SUNSET 743 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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