391  
CDUS45 KRIW 020729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT MON SEP 02 2024  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 1 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 95 4:11 PM 100 2022 84 11 94  
MINIMUM 50 5:35 AM 40 2020 51 -1 53  
AVERAGE 73 67 6 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.73 2008 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE SEP 1 0.00 0.02 -0.02 0.00  
SINCE JAN 1 5.31 3.84 1.47 6.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 2 -2 0  
SINCE SEP 1 0 2 -2 0  
SINCE JUL 1 13 21 -8 5  
 
COOLING  
YESTERDAY 8 4 4 9  
MONTH TO DATE 8 4 4 9  
SINCE SEP 1 8 4 4 9  
SINCE JAN 1 749 700 49 661    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.3  
 
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 71 5:00 AM  
LOWEST 10 5:00 PM  
AVERAGE 41  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 2019  
MINIMUM TEMPERATURE (F) 50 37 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2024.....SUNRISE 6:37 AM MDT SUNSET 7:46 PM MDT  
SEPTEMBER 3 2024.....SUNRISE 6:38 AM MDT SUNSET 7:44 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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