990  
CDUS45 KRIW 030739  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
139 AM MDT SUN SEP 03 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR SEPTEMBER 2 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 91 3:29 PM 98 2019 83 8 93  
MINIMUM 57 5:26 AM 37 2006 50 7 59  
AVERAGE 74 67 7 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.15 1999 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE SEP 1 0.00 0.04 -0.04 0.00  
SINCE JAN 1 6.08 3.86 2.22 4.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 4 -4 0  
SINCE SEP 1 0 4 -4 0  
SINCE JUL 1 5 23 -18 3  
 
COOLING  
YESTERDAY 9 4 5 11  
MONTH TO DATE 18 8 10 23  
SINCE SEP 1 18 8 10 23  
SINCE JAN 1 670 704 -34 870    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.6  
 
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 52 6:00 AM  
LOWEST 20 3:00 PM  
AVERAGE 36  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 2022  
MINIMUM TEMPERATURE (F) 50 35 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2023.....SUNRISE 6:37 AM MDT SUNSET 7:45 PM MDT  
SEPTEMBER 4 2023.....SUNRISE 6:38 AM MDT SUNSET 7:43 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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