829  
CDUS45 KRIW 160743  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
143 AM MDT THU MAY 16 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 15 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 52 6:25 PM 65 2013 50 2 59  
MINIMUM 28 4:47 AM 19 1999 26 2 29  
AVERAGE 40 38 2 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.64 2015 0.07 -0.07 0.00  
MONTH TO DATE 1.08 1.00 0.08 0.84  
SINCE MAR 1 6.41 5.18 1.23 6.77  
SINCE JAN 1 10.88 8.68 2.20 9.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 27 -2 21  
MONTH TO DATE 391 436 -45 385  
SINCE MAR 1 2543 2882 -339 3176  
SINCE JUL 1 10017 11086 -1069 11149  
 
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 8 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 0.9  
 
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 6:00 AM  
LOWEST 49 5:00 PM  
AVERAGE 75  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 69 2006  
MINIMUM TEMPERATURE (F) 27 22 2009  
 
SUNRISE AND SUNSET  
MAY 16 2024...........SUNRISE 5:52 AM MDT SUNSET 8:45 PM MDT  
MAY 17 2024...........SUNRISE 5:51 AM MDT SUNSET 8:46 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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