934  
CDUS45 KRIW 250729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT WED JUN 25 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 24 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 83 3:49 PM 105 2012 85 -2 102  
MINIMUM 47R 4:43 AM 47 2003 54 -7 59  
AVERAGE 65 70 -5 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.36 2023 0.02 -0.02 0.00  
MONTH TO DATE 0.46 0.97 -0.51 0.40  
SINCE JUN 1 0.46 0.97 -0.51 0.40  
SINCE JAN 1 3.17 3.32 -0.15 3.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 46 58 -12 29  
SINCE JUN 1 46 58 -12 29  
SINCE JUL 1 7015 7543 -528 6914  
 
COOLING  
YESTERDAY 0 6 -6 16  
MONTH TO DATE 89 84 5 122  
SINCE JUN 1 89 84 5 122  
SINCE JAN 1 110 108 2 122    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 4:00 AM  
LOWEST 18 3:00 PM  
AVERAGE 45  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 101 2012  
MINIMUM TEMPERATURE (F) 55 45 2003  
 
SUNRISE AND SUNSET  
JUNE 25 2025..........SUNRISE 5:29 AM MDT SUNSET 9:01 PM MDT  
JUNE 26 2025..........SUNRISE 5:29 AM MDT SUNSET 9:01 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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