973  
CDUS45 KRIW 031600  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
900 AM MST WED JAN 03 2024  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 31 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 37 4:12 PM 58 2002 29 8 34  
MINIMUM 10 8:01 AM -22 2014 6 4 11  
AVERAGE 24 17 7 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 2001 0.00 0.00 T  
MONTH TO DATE T 0.11 -0.11 0.03  
SINCE DEC 1 T 0.11 -0.11 0.03  
SINCE JAN 1 8.68 5.55 3.13 5.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 41 48 -7 42  
MONTH TO DATE 1205 1417 -212 1548  
SINCE DEC 1 1205 1417 -212 1548  
SINCE JUL 1 2810 3194 -384 3480  
 
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 8 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 1.4  
 
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 4:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 70  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 65 2003  
MINIMUM TEMPERATURE (F) 6 -22 2011  
 
SUNRISE AND SUNSET  
JANUARY 1 2024.......SUNRISE 7:49 AM MST SUNSET 4:43 PM MST  
JANUARY 2 2024.......SUNRISE 7:49 AM MST SUNSET 4:44 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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