021  
CDUS45 KRIW 130738  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1238 AM MST SAT JAN 13 2024  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 12 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 0 3:05 AM 47 2021 29 -29 36  
MINIMUM -18 11:35 PM -21 2007 6 -24 10  
AVERAGE -9 17 -26 23  
 
PRECIPITATION (IN)  
YESTERDAY T 0.08 2000 0.00 0.00 0.00  
MONTH TO DATE T 0.05 -0.05 0.02  
SINCE DEC 1 T 0.16 -0.16 0.05  
SINCE JAN 1 T 0.05 -0.05 0.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 74 48 26 42  
MONTH TO DATE 573 576 -3 539  
SINCE DEC 1 1778 1991 -213 2087  
SINCE JUL 1 3383 3768 -385 4019  
 
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 30 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 15.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 12:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 66  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 54 2021  
MINIMUM TEMPERATURE (F) 6 -20 2017  
 
SUNRISE AND SUNSET  
JANUARY 13 2024.......SUNRISE 7:46 AM MST SUNSET 4:56 PM MST  
JANUARY 14 2024.......SUNRISE 7:46 AM MST SUNSET 4:57 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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