117  
CDUS45 KRIW 290736  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1236 AM MST SUN DEC 29 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 28 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 27 2:56 PM 55 1998 29 -2 30  
MINIMUM 9 2:00 AM -10 2016 6 3 2  
AVERAGE 18 17 1 16  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2006 0.00 0.00 0.00  
MONTH TO DATE 0.15 0.10 0.05 T  
SINCE DEC 1 0.15 0.10 0.05 T  
SINCE JAN 1 6.43 5.54 0.89 8.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 48 -1 49  
MONTH TO DATE 1002 1273 -271 1080  
SINCE DEC 1 1002 1273 -271 1080  
SINCE JUL 1 2397 3050 -653 2685  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 832 744 88 702    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 PM  
LOWEST 84 2:00 AM  
AVERAGE 90  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 47 2011  
MINIMUM TEMPERATURE (F) 6 -13 2016  
 
SUNRISE AND SUNSET  
DECEMBER 29 2024......SUNRISE 7:48 AM MST SUNSET 4:41 PM MST  
DECEMBER 30 2024......SUNRISE 7:49 AM MST SUNSET 4:42 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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