902  
CDUS45 KRIW 220726  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT MON APR 22 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 21 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 MM MM 56 2009 42 MM 35  
2016  
MINIMUM MM MM 2 2002 18 MM 9  
AVERAGE MM 30 MM 22  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.47 2004 0.07 MM 0.10  
MONTH TO DATE 0.70 1.66 -0.96 1.82  
SINCE MAR 1 5.01 3.56 1.45 5.85  
SINCE JAN 1 9.48 7.06 2.42 9.06  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 35 MM 43  
MONTH TO DATE 605 789 -184 902  
SINCE MAR 1 1973 2147 -174 2490  
SINCE JUL 1 9447 10351 -904 10463  
 
COOLING  
YESTERDAY MM 0 MM 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 MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 61 2016  
MINIMUM TEMPERATURE (F) 18 0 2023  
 
SUNRISE AND SUNSET  
APRIL 22 2024.........SUNRISE 6:25 AM MDT SUNSET 8:16 PM MDT  
APRIL 23 2024.........SUNRISE 6:23 AM MDT SUNSET 8:17 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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