865  
CDUS45 KRIW 090734  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT THU MAY 09 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 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 37 4:02 PM 64 2016 48 -11 48  
MINIMUM 24 4:18 AM 6 2010 24 0 28  
AVERAGE 31 36 -5 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 0.41 2006 0.06 0.10 0.15  
MONTH TO DATE 0.82 0.50 0.32 0.74  
SINCE MAR 1 6.15 4.68 1.47 6.67  
SINCE JAN 1 10.62 8.18 2.44 9.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 29 5 27  
MONTH TO DATE 283 242 41 207  
SINCE MAR 1 2435 2688 -253 2998  
SINCE JUL 1 9909 10892 -983 10971  
 
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 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 4.5  
 
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 88 7:00 AM  
LOWEST 64 4:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 64 2007  
MINIMUM TEMPERATURE (F) 24 9 2002  
 
SUNRISE AND SUNSET  
MAY 9 2024...........SUNRISE 6:00 AM MDT SUNSET 8:37 PM MDT  
MAY 10 2024...........SUNRISE 5:59 AM MDT SUNSET 8:38 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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