309  
CDUS45 KRIW 120729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SAT OCT 12 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 11 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 82R 4:00 PM 74 1999 62 20 70  
2015  
MINIMUM 51 5:21 AM 16 2019 35 16 48  
AVERAGE 67 49 18 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.49 2021 0.02 -0.02 0.20  
MONTH TO DATE 0.00 0.30 -0.30 0.27  
SINCE SEP 1 0.38 1.13 -0.75 1.85  
SINCE JAN 1 5.69 4.95 0.74 7.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 16 -16 6  
MONTH TO DATE 72 152 -80 115  
SINCE SEP 1 142 321 -179 184  
SINCE JUL 1 155 340 -185 189  
 
COOLING  
YESTERDAY 2 0 2 0  
MONTH TO DATE 2 0 2 0  
SINCE SEP 1 91 46 45 50  
SINCE JAN 1 832 742 90 702    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.6  
 
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 57 5:00 AM  
LOWEST 16 4:00 PM  
AVERAGE 37  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 76 2012  
MINIMUM TEMPERATURE (F) 35 18 2009  
 
SUNRISE AND SUNSET  
OCTOBER 12 2024.......SUNRISE 7:24 AM MDT SUNSET 6:32 PM MDT  
OCTOBER 13 2024.......SUNRISE 7:26 AM MDT SUNSET 6:30 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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