861  
CDUS45 KRIW 210744  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1241 AM MST THU FEB 21 2019  
 
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 13 332 PM 35 2012 29 -16 4  
MINIMUM -6 422 AM -33 2018 3 -9 -33  
AVERAGE 4 16 -12 -14  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.55 2017 0.04 -0.04 0.01  
MONTH TO DATE 1.69 0.99 0.70 3.26  
SINCE DEC 1 5.33 4.60 0.73 7.62  
SINCE JAN 1 3.96 3.10 0.86 5.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 61 49 12 79  
MONTH TO DATE 1055 1021 34 1015  
SINCE DEC 1 4275 4232 43 4123  
SINCE JUL 1 7782 7552 230 7492  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 1.0  
 
 
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 87 1000 AM  
LOWEST 73 100 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 38 2012  
MINIMUM TEMPERATURE (F) 3 -26 2018  
 
 
SUNRISE AND SUNSET  
FEBRUARY 21 2019......SUNRISE 713 AM MST SUNSET 559 PM MST  
FEBRUARY 22 2019......SUNRISE 711 AM MST SUNSET 600 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page