901  
CDUS45 KRIW 010730  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT TUE OCT 01 2024  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 30 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 69 12:20 AM 86 2015 69 0 79  
MINIMUM 39 11:50 PM 29 2021 40 -1 40  
AVERAGE 54 54 0 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.30 2022 0.03 -0.03 0.00  
MONTH TO DATE 0.38 0.83 -0.45 1.58  
SINCE SEP 1 0.38 0.83 -0.45 1.58  
SINCE JAN 1 5.69 4.65 1.04 7.66  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 11 0 5  
MONTH TO DATE 70 170 -100 69  
SINCE SEP 1 70 170 -100 69  
SINCE JUL 1 83 189 -106 74  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 89 46 43 50  
SINCE SEP 1 89 46 43 50  
SINCE JAN 1 830 742 88 702    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 18.0  
 
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 39 11:00 PM  
LOWEST 7 5:00 AM  
AVERAGE 23  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 91 2011  
MINIMUM TEMPERATURE (F) 39 30 2003  
2021  
 
SUNRISE AND SUNSET  
OCTOBER 1 2024.......SUNRISE 7:11 AM MDT SUNSET 6:52 PM MDT  
OCTOBER 2 2024.......SUNRISE 7:12 AM MDT SUNSET 6:50 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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