852  
CDUS45 KRIW 300729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST SAT DEC 30 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 29 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 36 2:52 PM 47 2011 29 7 36  
MINIMUM 4 6:55 AM -13 2016 6 -2 12  
AVERAGE 20 17 3 24  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 2005 0.00 0.00 0.00  
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 45 48 -3 41  
MONTH TO DATE 1125 1321 -196 1458  
SINCE DEC 1 1125 1321 -196 1458  
SINCE JUL 1 2730 3098 -368 3390  
 
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 7 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 1.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 9:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 61 2002  
MINIMUM TEMPERATURE (F) 6 -17 2014  
 
SUNRISE AND SUNSET  
DECEMBER 30 2023......SUNRISE 7:49 AM MST SUNSET 4:41 PM MST  
DECEMBER 31 2023......SUNRISE 7:49 AM MST SUNSET 4:42 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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