471  
CDUS45 KRIW 300727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT MON JUN 30 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 29 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 84 3:59 PM 105 2002 87 -3 86  
MINIMUM 59 6:00 AM 47 2014 56 3 47  
2024  
AVERAGE 72 71 1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 2020 0.01 -0.01 0.00  
MONTH TO DATE 0.46 1.06 -0.60 0.40  
SINCE JUN 1 0.46 1.06 -0.60 0.40  
SINCE JAN 1 3.17 3.41 -0.24 3.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 46 63 -17 29  
SINCE JUN 1 46 63 -17 29  
SINCE JUL 1 7015 7548 -533 6914  
 
COOLING  
YESTERDAY 7 7 0 2  
MONTH TO DATE 127 115 12 160  
SINCE JUN 1 127 115 12 160  
SINCE JAN 1 148 139 9 160    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 6:00 AM  
LOWEST 25 7:00 PM  
AVERAGE 47  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 104 2024  
MINIMUM TEMPERATURE (F) 56 46 2017  
 
SUNRISE AND SUNSET  
JUNE 30 2025..........SUNRISE 5:31 AM MDT SUNSET 9:01 PM MDT  
JULY 1 2025..........SUNRISE 5:32 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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