915  
CDUS45 KRIW 170727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT FRI MAY 17 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 16 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 58 5:36 PM 69 2006 51 7 56  
MINIMUM 28 5:20 AM 22 2009 27 1 30  
AVERAGE 43 39 4 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 2004 0.08 -0.08 0.04  
MONTH TO DATE 1.08 1.08 0.00 0.88  
SINCE MAR 1 6.41 5.26 1.15 6.81  
SINCE JAN 1 10.88 8.76 2.12 10.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 26 -4 22  
MONTH TO DATE 413 462 -49 407  
SINCE MAR 1 2565 2908 -343 3198  
SINCE JUL 1 10039 11112 -1073 11171  
 
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 (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.3  
 
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 1:00 AM  
LOWEST 34 12:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 69 2007  
MINIMUM TEMPERATURE (F) 27 18 1999  
 
SUNRISE AND SUNSET  
MAY 17 2024...........SUNRISE 5:51 AM MDT SUNSET 8:46 PM MDT  
MAY 18 2024...........SUNRISE 5:50 AM MDT SUNSET 8:47 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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