658  
CDUS45 KRIW 130735  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT SAT APR 13 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 12 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 53 3:25 PM 55 2016 40 13 48  
MINIMUM 21 6:10 AM -5 2020 16 5 25  
2022  
AVERAGE 37 28 9 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.75 2018 0.08 -0.08 0.15  
MONTH TO DATE 0.32 0.95 -0.63 0.80  
SINCE MAR 1 4.63 2.85 1.78 4.83  
SINCE JAN 1 9.10 6.35 2.75 8.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 37 -9 28  
MONTH TO DATE 427 464 -37 504  
SINCE MAR 1 1795 1822 -27 2092  
SINCE JUL 1 9269 10026 -757 10065  
 
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 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 1.9  
 
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 92 6:00 AM  
LOWEST 36 2:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 56 2017  
MINIMUM TEMPERATURE (F) 16 -18 2022  
 
SUNRISE AND SUNSET  
APRIL 13 2024.........SUNRISE 6:40 AM MDT SUNSET 8:05 PM MDT  
APRIL 14 2024.........SUNRISE 6:38 AM MDT SUNSET 8:06 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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