591  
CDUS45 KRIW 130726  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1226 AM MST MON JAN 13 2025  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 12 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 35 2:50 PM 47 2021 29 6 0  
MINIMUM 17 11:50 PM -21 2007 6 11 -18  
AVERAGE 26 17 9 -9  
 
PRECIPITATION (IN)  
YESTERDAY T 0.08 2000 0.00 0.00 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 39 48 -9 74  
MONTH TO DATE 554 576 -22 573  
SINCE DEC 1 1663 1991 -328 1778  
SINCE JUL 1 3058 3768 -710 3383  
 
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 39 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 6:00 AM  
LOWEST 58 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 54 2021  
MINIMUM TEMPERATURE (F) 6 -28 2024  
 
SUNRISE AND SUNSET  
JANUARY 13 2025.......SUNRISE 7:46 AM MST SUNSET 4:57 PM MST  
JANUARY 14 2025.......SUNRISE 7:46 AM MST SUNSET 4:58 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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