565  
CDUS45 KRIW 030727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT TUE OCT 03 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 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 60 3:27 PM 87 2018 68 -8 62  
MINIMUM 42 5:41 AM 29 2009 39 3 43  
AVERAGE 51 53 -2 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.14 2013 0.03 0.02 0.03  
MONTH TO DATE 0.05 0.06 -0.01 0.09  
SINCE SEP 1 1.63 0.89 0.74 1.25  
SINCE JAN 1 7.71 4.71 3.00 5.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 12 2 12  
MONTH TO DATE 21 24 -3 23  
SINCE SEP 1 90 193 -103 100  
SINCE JUL 1 95 212 -117 103  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 50 46 4 96  
SINCE JAN 1 702 742 -40 943    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 74 12:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 85 2010  
MINIMUM TEMPERATURE (F) 39 26 1999  
 
SUNRISE AND SUNSET  
OCTOBER 3 2023.......SUNRISE 7:12 AM MDT SUNSET 6:49 PM MDT  
OCTOBER 4 2023.......SUNRISE 7:14 AM MDT SUNSET 6:48 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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