619  
CDUS45 KRIW 050728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST TUE DEC 05 2023  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 4 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 2:40 PM 48 2004 34 7 24  
MINIMUM 20 12:09 AM -7 2013 11 9 -1  
AVERAGE 31 22 9 12  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 2011 0.01 -0.01 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 34 43 -9 53  
MONTH TO DATE 163 169 -6 183  
SINCE DEC 1 163 169 -6 183  
SINCE JUL 1 1768 1946 -178 2115  
 
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 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.2  
 
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 84 10:00 PM  
LOWEST 53 2:00 PM  
AVERAGE 69  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 58 2012  
MINIMUM TEMPERATURE (F) 10 -15 2013  
 
SUNRISE AND SUNSET  
DECEMBER 5 2023......SUNRISE 7:33 AM MST SUNSET 4:33 PM MST  
DECEMBER 6 2023......SUNRISE 7:34 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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