679  
CDUS45 KRIW 240728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT MON APR 24 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 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 42 2:28 PM 51 2009 43 -1 36  
MINIMUM 8 4:11 AM -11 2013 19 -11 23  
AVERAGE 25 31 -6 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 2007 0.07 -0.07 0.10  
MONTH TO DATE 1.82 1.80 0.02 3.15  
SINCE MAR 1 5.85 3.70 2.15 4.28  
SINCE JAN 1 9.06 7.20 1.86 6.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 34 6 35  
MONTH TO DATE 990 858 132 966  
SINCE MAR 1 2578 2216 362 2204  
SINCE JUL 1 10553 10420 133 9912  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (250)  
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 84 5:00 AM  
LOWEST 38 2:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 52 2005  
MINIMUM TEMPERATURE (F) 19 -1 2011  
 
SUNRISE AND SUNSET  
APRIL 24 2023.........SUNRISE 6:23 AM MDT SUNSET 8:17 PM MDT  
APRIL 25 2023.........SUNRISE 6:21 AM MDT SUNSET 8:19 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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