545  
CDUS45 KRIW 230728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT MON JUN 23 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 22 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 61 5:14 PM 98 2001 84 -23 92  
MINIMUM 45 10:37 AM 39 2019 54 -9 53  
AVERAGE 53 69 -16 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 0.62 2023 0.02 0.17 0.00  
MONTH TO DATE 0.46 0.92 -0.46 0.40  
SINCE JUN 1 0.46 0.92 -0.46 0.40  
SINCE JAN 1 3.17 3.27 -0.10 3.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 1 11 0  
MONTH TO DATE 39 56 -17 29  
SINCE JUN 1 39 56 -17 29  
SINCE JUL 1 7008 7541 -533 6914  
 
COOLING  
YESTERDAY 0 5 -5 8  
MONTH TO DATE 89 73 16 92  
SINCE JUN 1 89 73 16 92  
SINCE JAN 1 110 97 13 92    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 7:00 AM  
LOWEST 49 6:00 PM  
AVERAGE 73  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 104 2024  
MINIMUM TEMPERATURE (F) 54 44 2019  
 
SUNRISE AND SUNSET  
JUNE 23 2025..........SUNRISE 5:28 AM MDT SUNSET 9:01 PM MDT  
JUNE 24 2025..........SUNRISE 5:28 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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