366  
CDUS45 KRIW 180729  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT THU APR 18 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 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 MM MM 56 2001 41 MM 46  
MINIMUM MM MM -6 2020 17 MM 19  
AVERAGE MM 29 MM 33  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.60 2004 0.08 MM 0.07  
MONTH TO DATE 0.70 1.36 -0.66 1.47  
SINCE MAR 1 5.01 3.26 1.75 5.50  
SINCE JAN 1 9.48 6.76 2.72 8.71  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 36 MM 32  
MONTH TO DATE 504 647 -143 724  
SINCE MAR 1 1872 2005 -133 2312  
SINCE JUL 1 9346 10209 -863 10285  
 
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) 41 54 2001  
MINIMUM TEMPERATURE (F) 17 -10 2013  
 
SUNRISE AND SUNSET  
APRIL 18 2024.........SUNRISE 6:31 AM MDT SUNSET 8:11 PM MDT  
APRIL 19 2024.........SUNRISE 6:30 AM MDT SUNSET 8:12 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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