695  
CDUS45 KRIW 200728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT FRI JUN 20 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 19 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 MM MM 96 2013 83 MM 76  
2015  
MINIMUM MM MM 35 2024 53 MM 35  
AVERAGE MM 68 MM 56  
 
PRECIPITATION (IN)  
YESTERDAY T 0.15 2023 0.04 -0.04 0.00  
MONTH TO DATE 0.24 0.84 -0.60 0.40  
SINCE JUN 1 0.24 0.84 -0.60 0.40  
SINCE JAN 1 2.95 3.19 -0.24 3.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 9  
MONTH TO DATE 27 53 -26 29  
SINCE JUN 1 27 53 -26 29  
SINCE JUL 1 6996 7538 -542 6914  
 
COOLING  
YESTERDAY MM 4 MM 0  
MONTH TO DATE 72 59 13 78  
SINCE JUN 1 72 59 13 78  
SINCE JAN 1 93 83 10 78    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 45 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 61 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2005  
2007  
2017  
MINIMUM TEMPERATURE (F) 54 45 2004  
2024  
 
SUNRISE AND SUNSET  
JUNE 20 2025..........SUNRISE 5:27 AM MDT SUNSET 9:01 PM MDT  
JUNE 21 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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