157  
CDUS45 KRIW 210727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SUN JAN 21 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 20 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 33 3:18 PM 47 1999 29 4 33  
MINIMUM 3 7:27 AM -13 2022 6 -3 6  
AVERAGE 18 17 1 20  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 2001 0.01 -0.01 0.00  
MONTH TO DATE T 0.09 -0.09 0.02  
SINCE DEC 1 T 0.20 -0.20 0.05  
SINCE JAN 1 T 0.09 -0.09 0.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 48 -1 45  
MONTH TO DATE 1117 960 157 872  
SINCE DEC 1 2322 2375 -53 2420  
SINCE JUL 1 3927 4152 -225 4352  
 
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 7 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 10:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 51 2005  
MINIMUM TEMPERATURE (F) 6 -25 2008  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 7:42 AM MST SUNSET 5:06 PM MST  
JANUARY 22 2024.......SUNRISE 7:41 AM MST SUNSET 5:07 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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