479  
CDUS45 KRIW 020727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SAT DEC 02 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 1 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 27 1:46 PM 64 1998 35 -8 45  
MINIMUM 8 5:14 AM -21 2014 12 -4 6  
AVERAGE 18 24 -6 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.02 2007 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE DEC 1 0.00 0.00 0.00 0.00  
SINCE JAN 1 8.68 5.44 3.24 5.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 42 5 39  
MONTH TO DATE 47 42 5 39  
SINCE DEC 1 47 42 5 39  
SINCE JUL 1 1652 1819 -167 1971  
 
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 9 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 9:00 AM  
LOWEST 68 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 60 1998  
2021  
MINIMUM TEMPERATURE (F) 12 -10 2007  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 7:30 AM MST SUNSET 4:34 PM MST  
DECEMBER 3 2023......SUNRISE 7:31 AM MST SUNSET 4:33 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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