616  
CDUS45 KRIW 160726  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT MON OCT 16 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 15 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 56 2:45 PM 60 2005 46 10 53  
MINIMUM 26 5:33 AM 3 2018 22 4 26  
AVERAGE 41 34 7 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 2020 0.06 -0.06 0.00  
MONTH TO DATE 0.92 0.85 0.07 0.37  
SINCE SEP 1 4.54 2.42 2.12 1.99  
SINCE JAN 1 22.57 17.68 4.89 20.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 31 -7 25  
MONTH TO DATE 373 421 -48 343  
SINCE SEP 1 869 1009 -140 798  
SINCE JUL 1 1402 1651 -249 1242  
 
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 7 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 1.1  
 
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 8:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 62 2015  
MINIMUM TEMPERATURE (F) 22 13 2018  
 
SUNRISE AND SUNSET  
OCTOBER 16 2023.......SUNRISE 7:38 AM MDT SUNSET 6:36 PM MDT  
OCTOBER 17 2023.......SUNRISE 7:39 AM MDT SUNSET 6:34 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