135  
CDUS45 KRIW 310728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT FRI MAY 31 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 30 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 46 4:18 PM 75 2020 55 -9 58  
MINIMUM 30 5:25 AM 24 2007 30 0 31  
AVERAGE 38 42 -4 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.41 1999 0.09 -0.07 0.00  
2022  
MONTH TO DATE 2.40 2.26 0.14 1.20  
SINCE MAR 1 7.73 6.44 1.29 7.13  
SINCE JAN 1 12.20 9.94 2.26 10.34  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 22 5 20  
MONTH TO DATE 753 801 -48 681  
SINCE MAR 1 2905 3247 -342 3472  
SINCE JUL 1 10379 11451 -1072 11445  
 
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 25 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.4  
 
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 96 12:00 AM  
LOWEST 38 1:00 PM  
AVERAGE 67  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 71 2002  
MINIMUM TEMPERATURE (F) 30 25 2006  
 
SUNRISE AND SUNSET  
MAY 31 2024...........SUNRISE 5:40 AM MDT SUNSET 8:59 PM MDT  
JUNE 1 2024..........SUNRISE 5:40 AM MDT SUNSET 9:00 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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