126  
CDUS45 KRIW 020749  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
149 AM MDT SAT SEP 02 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 1 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94 3:20 PM 100 2022 84 10 100  
MINIMUM 53 12:39 AM 40 2020 51 2 54  
AVERAGE 74 67 7 77  
 
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 6.08 3.84 2.24 4.24  
 
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 5 21 -16 3  
 
COOLING  
YESTERDAY 9 4 5 12  
MONTH TO DATE 9 4 5 12  
SINCE SEP 1 9 4 5 12  
SINCE JAN 1 661 700 -39 859    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 41 12:00 AM  
LOWEST 14 12:00 PM  
AVERAGE 28  
   
......................................................
 
 
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 2023.....SUNRISE 6:36 AM MDT SUNSET 7:47 PM MDT  
SEPTEMBER 3 2023.....SUNRISE 6:37 AM MDT SUNSET 7:45 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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