346  
CDUS45 KRIW 070727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST THU DEC 07 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 6 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 41 2:47 PM 47 2003 33 8 34  
MINIMUM 22 11:59 PM -15 2013 10 12 6  
AVERAGE 32 22 10 20  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2008 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 T  
SINCE DEC 1 T 0.02 -0.02 T  
SINCE JAN 1 8.68 5.46 3.22 5.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 44 -11 45  
MONTH TO DATE 227 256 -29 272  
SINCE DEC 1 227 256 -29 272  
SINCE JUL 1 1832 2033 -201 2204  
 
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 (280)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 1.6  
 
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 92 9:00 AM  
LOWEST 70 2:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 50 2008  
MINIMUM TEMPERATURE (F) 10 -21 2013  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 7:35 AM MST SUNSET 4:32 PM MST  
DECEMBER 8 2023......SUNRISE 7:36 AM MST SUNSET 4:32 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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