422  
CDUS45 KRIW 210728  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST TUE NOV 21 2023  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 20 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 28 MM 45 2016 30 -2 30  
MINIMUM MM MM -12 2015 9 MM -8  
AVERAGE MM 20 MM 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.96 2010 0.07 -0.07 0.00  
MONTH TO DATE 1.82 1.38 0.44 2.62  
SINCE SEP 1 8.06 4.80 3.26 6.07  
SINCE JAN 1 26.09 20.06 6.03 24.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 45 MM 54  
MONTH TO DATE 679 830 -151 973  
SINCE SEP 1 2075 2390 -315 2271  
SINCE JUL 1 2608 3032 -424 2715  
 
COOLING  
YESTERDAY MM 0 MM 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 2.2  
 
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 88 6:00 AM  
LOWEST 57 1:00 PM  
AVERAGE 73  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 43 2006  
MINIMUM TEMPERATURE (F) 9 -13 2015  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2023......SUNRISE 7:26 AM MST SUNSET 4:49 PM MST  
NOVEMBER 22 2023......SUNRISE 7:27 AM MST SUNSET 4:48 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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