239  
CDUS45 KRIW 080732  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT MON MAY 08 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 7 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 41 2:39 PM 62 2004 48 -7 40  
2021  
MINIMUM 25 2:27 AM 0 2010 24 1 28  
AVERAGE 33 36 -3 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.36 2008 0.07 0.03 0.16  
2009  
MONTH TO DATE 0.59 0.44 0.15 0.68  
SINCE MAR 1 6.52 4.62 1.90 5.31  
SINCE JAN 1 9.73 8.12 1.61 7.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 29 3 31  
MONTH TO DATE 180 213 -33 198  
SINCE MAR 1 2971 2659 312 2645  
SINCE JUL 1 10946 10863 83 10353  
 
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 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 2.7  
 
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 100 12:00 AM  
LOWEST 51 2:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 64 2016  
MINIMUM TEMPERATURE (F) 24 6 2010  
 
SUNRISE AND SUNSET  
MAY 8 2023...........SUNRISE 6:03 AM MDT SUNSET 8:34 PM MDT  
MAY 9 2023...........SUNRISE 6:01 AM MDT SUNSET 8:36 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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