502  
CDUS45 KRIW 120733  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT FRI APR 12 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 11 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 48 2:24 PM 55 2003 40 8 53  
MINIMUM 15 6:25 AM -9 1999 15 0 22  
AVERAGE 32 27 5 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.51 2022 0.08 -0.08 0.00  
MONTH TO DATE 0.32 0.87 -0.55 0.65  
SINCE MAR 1 4.63 2.77 1.86 4.68  
SINCE JAN 1 9.10 6.27 2.83 7.89  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 38 -5 27  
MONTH TO DATE 399 427 -28 476  
SINCE MAR 1 1767 1785 -18 2064  
SINCE JUL 1 9241 9989 -748 10037  
 
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 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 1.4  
 
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 87 5:00 AM  
LOWEST 27 1:00 PM  
AVERAGE 57  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 55 2016  
MINIMUM TEMPERATURE (F) 16 -5 2020  
2022  
 
SUNRISE AND SUNSET  
APRIL 12 2024.........SUNRISE 6:42 AM MDT SUNSET 8:04 PM MDT  
APRIL 13 2024.........SUNRISE 6:40 AM MDT SUNSET 8:05 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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