771  
CDUS45 KRIW 120727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SUN JAN 12 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 11 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 36 2:53 PM 50 2006 29 7 18  
2014  
MINIMUM 18 2:46 AM -19 2011 6 12 0  
AVERAGE 27 17 10 9  
 
PRECIPITATION (IN)  
YESTERDAY T 0.14 2000 0.01 -0.01 T  
MONTH TO DATE 0.16 0.05 0.11 T  
SINCE DEC 1 0.39 0.16 0.23 T  
SINCE JAN 1 0.16 0.05 0.11 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 48 -10 56  
MONTH TO DATE 515 528 -13 499  
SINCE DEC 1 1624 1943 -319 1704  
SINCE JUL 1 3019 3720 -701 3309  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 13.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 7:00 AM  
LOWEST 56 2:00 PM  
AVERAGE 71  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 47 2021  
MINIMUM TEMPERATURE (F) 6 -21 2007  
 
SUNRISE AND SUNSET  
JANUARY 12 2025.......SUNRISE 7:47 AM MST SUNSET 4:55 PM MST  
JANUARY 13 2025.......SUNRISE 7:46 AM MST SUNSET 4:57 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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