222  
CDUS45 KRIW 100732  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1232 AM MST FRI JAN 10 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 9 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 37 2:51 PM 44 2012 29 8 27  
MINIMUM 6 11:59 PM -7 2015 6 0 2  
AVERAGE 22 17 5 15  
 
PRECIPITATION (IN)  
YESTERDAY T R T 2017 0.00 0.00 0.00  
2020  
2021  
MONTH TO DATE 0.16 0.04 0.12 T  
SINCE DEC 1 0.39 0.15 0.24 T  
SINCE JAN 1 0.16 0.04 0.12 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 48 -5 50  
MONTH TO DATE 427 432 -5 400  
SINCE DEC 1 1536 1847 -311 1605  
SINCE JUL 1 2931 3624 -693 3210  
 
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 32 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 51 4:00 PM  
AVERAGE 70  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 52 2007  
MINIMUM TEMPERATURE (F) 6 -8 2011  
 
SUNRISE AND SUNSET  
JANUARY 10 2025.......SUNRISE 7:47 AM MST SUNSET 4:53 PM MST  
JANUARY 11 2025.......SUNRISE 7:47 AM MST SUNSET 4:54 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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