856  
CDUS45 KRIW 110733  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT SUN AUG 11 2024  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 10 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 3:18 PM 103 2022 91 -10 90  
MINIMUM 53 5:47 AM 48 2002 58 -5 63  
AVERAGE 67 74 -7 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.13 2005 0.01 0.03 T  
MONTH TO DATE 0.07 0.05 0.02 0.14  
SINCE JUN 1 1.56 1.29 0.27 4.81  
SINCE JAN 1 4.79 3.64 1.15 6.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 33 66 -33 44  
SINCE JUL 1 4 4 0 5  
 
COOLING  
YESTERDAY 2 9 -7 12  
MONTH TO DATE 95 101 -6 73  
SINCE JUN 1 582 532 50 429  
SINCE JAN 1 582 556 26 462    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 11:00 PM  
LOWEST 30 4:00 PM  
AVERAGE 54  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 104 2018  
MINIMUM TEMPERATURE (F) 58 51 2002  
2009  
 
SUNRISE AND SUNSET  
AUGUST 11 2024........SUNRISE 6:11 AM MDT SUNSET 8:23 PM MDT  
AUGUST 12 2024........SUNRISE 6:12 AM MDT SUNSET 8:21 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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