503  
CDUS45 KRIW 030727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT TUE OCT 03 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 2 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 48 12:31 PM 74 2010 52 -4 47  
MINIMUM 27 4:37 AM 16 2009 26 1 34  
AVERAGE 38 39 -1 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 0.57 2006 0.06 0.03 0.09  
MONTH TO DATE 0.16 0.11 0.05 0.31  
SINCE SEP 1 3.78 1.68 2.10 1.93  
SINCE JAN 1 21.81 16.94 4.87 19.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 26 1 24  
MONTH TO DATE 50 51 -1 50  
SINCE SEP 1 546 639 -93 505  
SINCE JUL 1 1079 1281 -202 949  
 
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 9 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 73 1:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 71 2010  
MINIMUM TEMPERATURE (F) 26 16 2019  
 
SUNRISE AND SUNSET  
OCTOBER 3 2023.......SUNRISE 7:22 AM MDT SUNSET 6:59 PM MDT  
OCTOBER 4 2023.......SUNRISE 7:23 AM MDT SUNSET 6:57 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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