533  
CDUS45 KRIW 060737  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT WED AUG 06 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 5 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 91 4:48 PM 98 2001 92 -1 95  
MINIMUM 58 5:50 AM 49 2012 59 -1 59  
AVERAGE 75 75 0 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.02 2000 0.00 0.00 0.01  
2008  
MONTH TO DATE 0.06 0.02 0.04 0.01  
SINCE JUN 1 1.38 1.26 0.12 1.50  
SINCE JAN 1 4.09 3.61 0.48 4.73  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 46 66 -20 33  
SINCE JUL 1 0 4 -4 4  
 
COOLING  
YESTERDAY 10 10 0 12  
MONTH TO DATE 46 52 -6 70  
SINCE JUN 1 486 483 3 557  
SINCE JAN 1 507 507 0 557    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.8  
 
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 69 6:00 AM  
LOWEST 16 5:00 PM  
AVERAGE 43  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 104 2001  
MINIMUM TEMPERATURE (F) 59 47 2018  
 
SUNRISE AND SUNSET  
AUGUST 6 2025........SUNRISE 6:05 AM MDT SUNSET 8:30 PM MDT  
AUGUST 7 2025........SUNRISE 6:06 AM MDT SUNSET 8:29 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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