448  
CDUS45 KRIW 200727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST TUE FEB 20 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR FEBRUARY 19 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 3:12 PM 60 2016 37 10 36  
MINIMUM 10 7:20 AM -7 2006 13 -3 17  
AVERAGE 29 25 4 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.04 2005 0.00 0.00 T  
MONTH TO DATE 0.05 0.09 -0.04 T  
SINCE DEC 1 0.05 0.35 -0.30 0.13  
SINCE JAN 1 0.05 0.24 -0.19 0.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 40 -4 38  
MONTH TO DATE 657 825 -168 858  
SINCE DEC 1 3362 3714 -352 3836  
SINCE JUL 1 4967 5491 -524 5768  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 55 2022  
MINIMUM TEMPERATURE (F) 14 -26 2018  
 
SUNRISE AND SUNSET  
FEBRUARY 20 2024......SUNRISE 7:05 AM MST SUNSET 5:48 PM MST  
FEBRUARY 21 2024......SUNRISE 7:03 AM MST SUNSET 5:49 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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