156  
CDUS45 KRIW 210727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SUN JAN 21 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JANUARY 20 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 38 1:32 PM 42 2005 23 15 14  
MINIMUM 25 8:49 AM -18 2011 1 24 -11  
AVERAGE 32 12 20 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.14 1999 0.06 -0.05 0.00  
1999  
2019  
MONTH TO DATE 1.05 1.23 -0.18 1.07  
SINCE DEC 1 2.22 3.58 -1.36 4.26  
SINCE JAN 1 1.05 1.23 -0.18 1.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 53 -20 63  
MONTH TO DATE 1163 1060 103 988  
SINCE DEC 1 2606 2672 -66 2588  
SINCE JUL 1 5680 6179 -499 5808  
 
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 SW (240)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (160)  
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 96 6:00 AM  
LOWEST 69 2:00 PM  
AVERAGE 83  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 23 37 2005  
MINIMUM TEMPERATURE (F) 1 -26 2008  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 7:51 AM MST SUNSET 5:15 PM MST  
JANUARY 22 2024.......SUNRISE 7:50 AM MST SUNSET 5:16 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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