289  
CDUS45 KRIW 180730  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1230 AM MST THU JAN 18 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JANUARY 17 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 24 12:27 PM 33 2011 23 1 20  
MINIMUM 2 12:01 AM -23 2001 1 1 -8  
AVERAGE 13 12 1 6  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 0.23 2020 0.06 0.10 0.00  
MONTH TO DATE 1.01 1.07 -0.06 1.07  
SINCE DEC 1 2.18 3.42 -1.24 4.26  
SINCE JAN 1 1.01 1.07 -0.06 1.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 52 53 -1 59  
MONTH TO DATE 1039 901 138 809  
SINCE DEC 1 2482 2513 -31 2409  
SINCE JUL 1 5556 6020 -464 5629  
 
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 14 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.0  
 
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 88 8:00 PM  
LOWEST 81 11:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 36 2018  
MINIMUM TEMPERATURE (F) 1 -25 2007  
 
SUNRISE AND SUNSET  
JANUARY 18 2024.......SUNRISE 7:53 AM MST SUNSET 5:11 PM MST  
JANUARY 19 2024.......SUNRISE 7:53 AM MST SUNSET 5:12 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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