877  
CDUS45 KRIW 090738  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
138 AM MDT MON JUN 09 2025  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 8 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 78 3:22 PM 97 2000 78 0 88  
2017  
MINIMUM 56 11:53 PM 37 2009 51 5 51  
AVERAGE 67 65 2 70  
 
PRECIPITATION (IN)  
YESTERDAY T 0.16 2011 0.04 -0.04 0.14  
MONTH TO DATE 0.10 0.43 -0.33 0.14  
SINCE JUN 1 0.10 0.43 -0.33 0.14  
SINCE JAN 1 2.81 2.78 0.03 3.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 27 30 -3 4  
SINCE JUN 1 27 30 -3 4  
SINCE JUL 1 6996 7515 -519 6889  
 
COOLING  
YESTERDAY 2 3 -1 5  
MONTH TO DATE 13 19 -6 28  
SINCE JUN 1 13 19 -6 28  
SINCE JAN 1 34 43 -9 28    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 13.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 12:00 AM  
LOWEST 19 5:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 96 2021  
MINIMUM TEMPERATURE (F) 51 36 2019  
 
SUNRISE AND SUNSET  
JUNE 9 2025..........SUNRISE 5:28 AM MDT SUNSET 8:56 PM MDT  
JUNE 10 2025..........SUNRISE 5:27 AM MDT SUNSET 8:57 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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