425  
CDUS45 KRIW 180728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SAT MAY 18 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 17 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 55 MM 69 2007 51 4 54  
MINIMUM 31 MM 18 1999 27 4 29  
AVERAGE 43 39 4 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 2017 0.07 -0.07 0.07  
MONTH TO DATE 1.08 1.15 -0.07 0.95  
SINCE MAR 1 6.41 5.33 1.08 6.88  
SINCE JAN 1 10.88 8.83 2.05 10.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 26 -4 23  
MONTH TO DATE 435 488 -53 430  
SINCE MAR 1 2587 2934 -347 3221  
SINCE JUL 1 10061 11138 -1077 11194  
 
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 (270)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.3  
 
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 85 5:00 AM  
LOWEST 32 6:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 69 2007  
2009  
MINIMUM TEMPERATURE (F) 27 20 2003  
2011  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 5:50 AM MDT SUNSET 8:47 PM MDT  
MAY 19 2024...........SUNRISE 5:49 AM MDT SUNSET 8:48 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page