342  
CDUS45 KRIW 020727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT WED JUL 02 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 1 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 99 2:41 PM 103 2012 88 11 78  
MINIMUM 55 4:40 AM 50 2017 56 -1 54  
2020  
AVERAGE 77 72 5 66  
 
PRECIPITATION (IN)  
YESTERDAY T 0.46 2024 0.01 -0.01 0.46  
MONTH TO DATE T 0.01 -0.01 0.46  
SINCE JUN 1 0.46 1.09 -0.63 0.86  
SINCE JAN 1 3.17 3.44 -0.27 4.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 46 62 -16 29  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 12 7 5 1  
MONTH TO DATE 12 7 5 1  
SINCE JUN 1 144 129 15 175  
SINCE JAN 1 165 153 12 175    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 4:00 AM  
LOWEST 11 3:00 PM  
AVERAGE 32  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 100 2007  
MINIMUM TEMPERATURE (F) 56 47 1999  
 
SUNRISE AND SUNSET  
JULY 2 2025..........SUNRISE 5:32 AM MDT SUNSET 9:00 PM MDT  
JULY 3 2025..........SUNRISE 5:33 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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