271  
CDUS45 KRIW 230726  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT MON SEP 23 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 22 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 77 3:53 PM 90 2007 73 4 61  
MINIMUM 35 5:56 AM 30 2002 43 -8 47  
2003  
AVERAGE 56 58 -2 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.31 2023 0.03 -0.03 0.31  
MONTH TO DATE 0.38 0.57 -0.19 1.30  
SINCE SEP 1 0.38 0.57 -0.19 1.30  
SINCE JAN 1 5.69 4.39 1.30 7.38  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 8 1 11  
MONTH TO DATE 51 94 -43 27  
SINCE SEP 1 51 94 -43 27  
SINCE JUL 1 64 113 -49 32  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 69 44 25 50  
SINCE SEP 1 69 44 25 50  
SINCE JAN 1 810 740 70 702    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 20 4:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 89 2015  
MINIMUM TEMPERATURE (F) 42 29 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2024.....SUNRISE 7:01 AM MDT SUNSET 7:07 PM MDT  
SEPTEMBER 24 2024.....SUNRISE 7:02 AM MDT SUNSET 7:05 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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