838  
CDUS45 KRIW 300730  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT TUE APR 30 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 29 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 42 2:43 PM 65 2007 45 -3 59  
MINIMUM MM MM 7 2019 21 MM 20  
AVERAGE MM 33 MM 40  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.19 2009 0.07 MM 0.00  
MONTH TO DATE 0.95 2.22 -1.27 1.90  
SINCE MAR 1 5.26 4.12 1.14 5.93  
SINCE JAN 1 9.73 7.62 2.11 9.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 32 MM 25  
MONTH TO DATE 747 1057 -310 1177  
SINCE MAR 1 2115 2415 -300 2765  
SINCE JUL 1 9589 10619 -1030 10738  
 
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 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.0  
 
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 96 7:00 PM  
LOWEST 46 9:00 AM  
AVERAGE 71  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 63 2021  
MINIMUM TEMPERATURE (F) 21 9 2011  
 
SUNRISE AND SUNSET  
APRIL 30 2024.........SUNRISE 6:13 AM MDT SUNSET 8:26 PM MDT  
MAY 1 2024...........SUNRISE 6:11 AM MDT SUNSET 8:27 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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