487  
CDUS45 KRIW 230806  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
206 AM MDT WED AUG 23 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 22 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 66 1:08 PM 83 2009 69 -3 72  
MINIMUM 45 11:37 PM 27 2008 36 9 43  
AVERAGE 56 53 3 58  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.34 2004 0.04 MM 0.00  
MONTH TO DATE 3.52 0.93 2.59 1.72  
SINCE JUN 1 6.84 4.82 2.02 5.35  
SINCE JAN 1 17.18 14.85 2.33 16.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 12 -3 7  
MONTH TO DATE 218 222 -4 162  
SINCE JUN 1 962 1056 -94 884  
SINCE JUL 1 430 518 -88 359  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.4  
 
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 12:00 AM  
LOWEST 60 1:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 79 2006  
2020  
MINIMUM TEMPERATURE (F) 36 27 2015  
 
SUNRISE AND SUNSET  
AUGUST 23 2023........SUNRISE 6:34 AM MDT SUNSET 8:14 PM MDT  
AUGUST 24 2023........SUNRISE 6:35 AM MDT SUNSET 8:12 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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