426  
CDUS45 KRIW 270733  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT THU APR 27 2023  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 26 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 49 3:16 PM 56 2001 44 5 48  
2004  
MINIMUM 19 5:36 AM 0 2008 20 -1 18  
AVERAGE 34 32 2 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.88 2017 0.07 -0.07 0.00  
MONTH TO DATE 1.89 2.01 -0.12 3.16  
SINCE MAR 1 5.92 3.91 2.01 4.29  
SINCE JAN 1 9.13 7.41 1.72 6.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 33 -2 32  
MONTH TO DATE 1085 959 126 1072  
SINCE MAR 1 2673 2317 356 2310  
SINCE JUL 1 10648 10521 127 10018  
 
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 14 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.5  
 
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 96 6:00 AM  
LOWEST 29 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 57 2004  
MINIMUM TEMPERATURE (F) 20 3 2011  
 
SUNRISE AND SUNSET  
APRIL 27 2023.........SUNRISE 6:18 AM MDT SUNSET 8:21 PM MDT  
APRIL 28 2023.........SUNRISE 6:17 AM MDT SUNSET 8:22 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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