727  
CDUS45 KRIW 300726  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT MON SEP 30 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 29 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 97R 2:32 PM 87 2009 69 28 77  
MINIMUM 43 6:29 AM 27 1999 40 3 40  
AVERAGE 70 55 15 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.26 2014 0.03 -0.03 0.00  
MONTH TO DATE 0.38 0.80 -0.42 1.58  
SINCE SEP 1 0.38 0.80 -0.42 1.58  
SINCE JAN 1 5.69 4.62 1.07 7.66  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11 -11 6  
MONTH TO DATE 59 159 -100 64  
SINCE SEP 1 59 159 -100 64  
SINCE JUL 1 72 178 -106 69  
 
COOLING  
YESTERDAY 5 0 5 0  
MONTH TO DATE 89 44 45 50  
SINCE SEP 1 89 44 45 50  
SINCE JAN 1 830 740 90 702    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 3:00 AM  
LOWEST 8 2:00 PM  
AVERAGE 34  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 2015  
MINIMUM TEMPERATURE (F) 40 29 2021  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 7:10 AM MDT SUNSET 6:54 PM MDT  
OCTOBER 1 2024.......SUNRISE 7:11 AM MDT SUNSET 6:52 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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