948  
CDUS45 KRIW 120726  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT FRI JUN 12 2026  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 11 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 MM 90 2016 80 -8 88  
MINIMUM 43 MM 36 2008 52 -9 56  
AVERAGE 58 66 -8 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.40 2004 0.04 0.02 0.07  
MONTH TO DATE 0.07 0.56 -0.49 0.17  
SINCE JUN 1 0.07 0.56 -0.49 0.17  
SINCE JAN 1 1.49 2.91 -1.42 2.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 3 4 0  
MONTH TO DATE 19 39 -20 27  
SINCE JUN 1 19 39 -20 27  
SINCE JUL 1 5778 7524 -1746 6996  
 
COOLING  
YESTERDAY 0 3 -3 7  
MONTH TO DATE 28 28 0 30  
SINCE JUN 1 28 28 0 30  
SINCE JAN 1 74 52 22 51    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 25 5:00 PM  
AVERAGE 59  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 2024  
MINIMUM TEMPERATURE (F) 52 40 2018  
 
SUNRISE AND SUNSET  
JUNE 12 2026..........SUNRISE 5:27 AM MDT SUNSET 8:58 PM MDT  
JUNE 13 2026..........SUNRISE 5:27 AM MDT SUNSET 8:58 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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