255  
CDUS45 KRIW 160728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE APR 16 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 15 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 47 MM 49 2007 40 7 35  
MINIMUM 29 4:00 AM -5 1999 16 13 -3  
2001  
AVERAGE 38 28 10 16  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 0.56 2002 0.08 0.30 0.00  
MONTH TO DATE 0.70 1.20 -0.50 1.40  
SINCE MAR 1 5.01 3.10 1.91 5.43  
SINCE JAN 1 9.48 6.60 2.88 8.64  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 37 -10 49  
MONTH TO DATE 504 575 -71 652  
SINCE MAR 1 1872 1933 -61 2240  
SINCE JUL 1 9346 10137 -791 10213  
 
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 6 HIGHEST WIND DIRECTION E (99)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 PM  
LOWEST 58 11:00 AM  
AVERAGE 79  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 52 2010  
MINIMUM TEMPERATURE (F) 17 -2 1999  
 
SUNRISE AND SUNSET  
APRIL 16 2024.........SUNRISE 6:35 AM MDT SUNSET 8:09 PM MDT  
APRIL 17 2024.........SUNRISE 6:33 AM MDT SUNSET 8:10 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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