740  
CDUS45 KRIW 090751  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
151 AM MDT TUE APR 09 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 8 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 31 3:06 PM 54 2016 39 -8 40  
2022  
MINIMUM 12 11:22 PM 1 2021 14 -2 18  
AVERAGE 22 27 -5 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.33 2011 0.08 -0.08 0.04  
MONTH TO DATE 0.26 0.63 -0.37 0.65  
SINCE MAR 1 4.57 2.53 2.04 4.68  
SINCE JAN 1 9.04 6.03 3.01 7.89  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 38 5 36  
MONTH TO DATE 292 313 -21 392  
SINCE MAR 1 1660 1671 -11 1980  
SINCE JUL 1 9134 9875 -741 9953  
 
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 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 1.3  
 
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 12:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 75  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 56 2016  
MINIMUM TEMPERATURE (F) 15 -4 2008  
 
SUNRISE AND SUNSET  
APRIL 9 2024.........SUNRISE 6:47 AM MDT SUNSET 8:00 PM MDT  
APRIL 10 2024.........SUNRISE 6:45 AM MDT SUNSET 8:01 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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