804  
CDUS45 KRIW 100730  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT THU JUL 10 2025  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 9 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 101 12:57 PM 105 2022 91 10 96  
MINIMUM 57 4:33 AM 46 2004 58 -1 57  
AVERAGE 79 74 5 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 2014 0.01 -0.01 0.00  
MONTH TO DATE 0.12 0.07 0.05 0.49  
SINCE JUN 1 0.58 1.15 -0.57 0.89  
SINCE JAN 1 3.29 3.50 -0.21 4.12  
 
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 14 9 5 12  
MONTH TO DATE 89 74 15 30  
SINCE JUN 1 221 196 25 204  
SINCE JAN 1 242 220 22 204    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 4:00 AM  
LOWEST 8 2:00 PM  
AVERAGE 31  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 102 2012  
MINIMUM TEMPERATURE (F) 58 48 2019  
 
SUNRISE AND SUNSET  
JULY 10 2025..........SUNRISE 5:38 AM MDT SUNSET 8:57 PM MDT  
JULY 11 2025..........SUNRISE 5:39 AM MDT SUNSET 8:57 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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