113  
CDUS45 KRIW 190732  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT THU JUN 19 2025  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JUNE 18 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 99 2016 82 MM 61  
MINIMUM MM MM 41 2024 53 MM 41  
AVERAGE MM 68 MM 51  
 
PRECIPITATION (IN)  
YESTERDAY T 0.47 2018 0.03 -0.03 0.11  
MONTH TO DATE 0.24 0.80 -0.56 0.40  
SINCE JUN 1 0.24 0.80 -0.56 0.40  
SINCE JAN 1 2.95 3.15 -0.20 3.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 1 MM 14  
MONTH TO DATE 27 52 -25 20  
SINCE JUN 1 27 52 -25 20  
SINCE JUL 1 6996 7537 -541 6905  
 
COOLING  
YESTERDAY MM 4 MM 0  
MONTH TO DATE 72 55 17 78  
SINCE JUN 1 72 55 17 78  
SINCE JAN 1 93 79 14 78    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 4:00 AM  
LOWEST 43 8:00 AM  
AVERAGE 59  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 96 2013  
2015  
MINIMUM TEMPERATURE (F) 53 35 2024  
 
SUNRISE AND SUNSET  
JUNE 19 2025..........SUNRISE 5:27 AM MDT SUNSET 9:00 PM MDT  
JUNE 20 2025..........SUNRISE 5:27 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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