610  
CDUS45 KRIW 300736  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
136 AM MDT SUN JUL 30 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 29 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 80 1:31 PM 82 2006 74 6 78  
MINIMUM 38 5:34 AM 28 2015 40 -2 41  
AVERAGE 59 57 2 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 2017 0.04 -0.04 0.00  
MONTH TO DATE 0.42 1.42 -1.00 0.17  
SINCE JUN 1 3.32 3.80 -0.48 3.63  
SINCE JAN 1 13.66 13.83 -0.17 15.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 8 -2 5  
MONTH TO DATE 202 278 -76 189  
SINCE JUN 1 734 816 -82 714  
SINCE JUL 1 202 278 -76 189  
 
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 6 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (180)  
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 79 4:00 AM  
LOWEST 17 6:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 82 2000  
2012  
MINIMUM TEMPERATURE (F) 40 29 2009  
 
SUNRISE AND SUNSET  
JULY 30 2023..........SUNRISE 6:06 AM MDT SUNSET 8:50 PM MDT  
JULY 31 2023..........SUNRISE 6:07 AM MDT SUNSET 8:48 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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