354  
CDUS45 KRIW 200727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST TUE FEB 20 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 19 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 33 2:35 PM 41 2015 27 6 20  
MINIMUM 22 2:10 AM -22 2018 1 21 -5  
AVERAGE 28 14 14 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.36 2014 0.06 -0.05 0.08  
2014  
2017  
MONTH TO DATE 1.74 1.19 0.55 0.39  
SINCE DEC 1 4.09 5.34 -1.25 5.11  
SINCE JAN 1 2.92 2.99 -0.07 1.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 51 -14 57  
MONTH TO DATE 909 994 -85 1040  
SINCE DEC 1 3948 4249 -301 4278  
SINCE JUL 1 7022 7756 -734 7498  
 
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 7 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 1.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 7:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 75  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 27 35 2012  
MINIMUM TEMPERATURE (F) 1 -33 2018  
 
SUNRISE AND SUNSET  
FEBRUARY 20 2024......SUNRISE 7:15 AM MST SUNSET 5:57 PM MST  
FEBRUARY 21 2024......SUNRISE 7:13 AM MST SUNSET 5:58 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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