483  
CDUS45 KRIW 240727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT THU AUG 24 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 23 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 69 1:28 PM 79 2006 69 0 73  
2020  
MINIMUM 43 11:59 PM 27 2015 36 7 39  
AVERAGE 56 52 4 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.41 2004 0.05 -0.04 0.01  
MONTH TO DATE 3.53 0.98 2.55 1.73  
SINCE JUN 1 6.85 4.87 1.98 5.36  
SINCE JAN 1 17.19 14.90 2.29 16.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 13 -4 9  
MONTH TO DATE 227 235 -8 171  
SINCE JUN 1 971 1069 -98 893  
SINCE JUL 1 439 531 -92 368  
 
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 9 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 1.6  
 
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 97 2:00 AM  
LOWEST 40 1:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 80 2020  
MINIMUM TEMPERATURE (F) 35 28 2010  
 
SUNRISE AND SUNSET  
AUGUST 24 2023........SUNRISE 6:35 AM MDT SUNSET 8:12 PM MDT  
AUGUST 25 2023........SUNRISE 6:36 AM MDT SUNSET 8:11 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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