220  
CDUS45 KRIW 180727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT FRI OCT 18 2024  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 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 45 12:10 AM 64 2015 45 0 55  
MINIMUM 29 11:59 PM 12 1999 22 7 29  
AVERAGE 37 33 4 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 0.36 2016 0.06 0.15 0.00  
MONTH TO DATE 0.21 0.97 -0.76 0.92  
SINCE SEP 1 1.64 2.54 -0.90 4.54  
SINCE JAN 1 16.83 17.80 -0.97 22.57  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 32 -4 23  
MONTH TO DATE 340 484 -144 417  
SINCE SEP 1 819 1072 -253 913  
SINCE JUL 1 1396 1714 -318 1446  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.6  
 
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 4:00 AM  
LOWEST 58 12:00 AM  
AVERAGE 77  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 64 2003  
MINIMUM TEMPERATURE (F) 21 11 2006  
2013  
 
SUNRISE AND SUNSET  
OCTOBER 18 2024.......SUNRISE 7:42 AM MDT SUNSET 6:31 PM MDT  
OCTOBER 19 2024.......SUNRISE 7:43 AM MDT SUNSET 6:29 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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