822  
CDUS45 KRIW 170737  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT TUE JUN 17 2025  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 16 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 87 4:27 PM 95 2021 81 6 79  
MINIMUM 57 5:50 AM 44 2022 53 4 51  
AVERAGE 72 67 5 65  
 
PRECIPITATION (IN)  
YESTERDAY T 0.46 2023 0.03 -0.03 0.00  
MONTH TO DATE 0.24 0.74 -0.50 0.18  
SINCE JUN 1 0.24 0.74 -0.50 0.18  
SINCE JAN 1 2.95 3.09 -0.14 3.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 27 49 -22 4  
SINCE JUN 1 27 49 -22 4  
SINCE JUL 1 6996 7534 -538 6889  
 
COOLING  
YESTERDAY 7 4 3 0  
MONTH TO DATE 70 47 23 78  
SINCE JUN 1 70 47 23 78  
SINCE JAN 1 91 71 20 78    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 44 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 5:00 AM  
LOWEST 21 5:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 2022  
MINIMUM TEMPERATURE (F) 53 41 2004  
 
SUNRISE AND SUNSET  
JUNE 17 2025..........SUNRISE 5:27 AM MDT SUNSET 9:00 PM MDT  
JUNE 18 2025..........SUNRISE 5:27 AM MDT SUNSET 9:00 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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