125  
CDUS45 KRIW 240737  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT THU JUL 24 2025  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 23 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 87 3:45 PM 105 2003 93 -6 99  
2007  
MINIMUM 60 5:31 AM 54 2004 59 1 59  
AVERAGE 74 76 -2 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.30 2004 0.00 0.00 0.00  
MONTH TO DATE 0.58 0.13 0.45 1.09  
SINCE JUN 1 1.04 1.21 -0.17 1.49  
SINCE JAN 1 3.75 3.56 0.19 4.72  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 4  
SINCE JUN 1 46 62 -16 33  
SINCE JUL 1 0 0 0 4  
 
COOLING  
YESTERDAY 9 11 -2 14  
MONTH TO DATE 226 220 6 224  
SINCE JUN 1 358 342 16 398  
SINCE JAN 1 379 366 13 398    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 93 105 2014  
MINIMUM TEMPERATURE (F) 59 49 2004  
 
SUNRISE AND SUNSET  
JULY 24 2025..........SUNRISE 5:51 AM MDT SUNSET 8:46 PM MDT  
JULY 25 2025..........SUNRISE 5:52 AM MDT SUNSET 8:45 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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