832  
CDUS45 KRIW 280729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST THU DEC 28 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 27 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 34 3:03 PM 47 2022 29 5 47  
MINIMUM 3 8:04 AM -17 2017 6 -3 16  
AVERAGE 19 17 2 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2005 0.01 -0.01 0.00  
2016  
2020  
MONTH TO DATE T 0.10 -0.10 0.03  
SINCE DEC 1 T 0.10 -0.10 0.03  
SINCE JAN 1 8.68 5.54 3.14 5.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 46 48 -2 33  
MONTH TO DATE 1031 1225 -194 1384  
SINCE DEC 1 1031 1225 -194 1384  
SINCE JUL 1 2636 3002 -366 3316  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 702 744 -42 943    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 1.8  
 
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 88 9:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 55 1998  
MINIMUM TEMPERATURE (F) 6 -10 2016  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 7:48 AM MST SUNSET 4:40 PM MST  
DECEMBER 29 2023......SUNRISE 7:48 AM MST SUNSET 4:40 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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