312  
CDUS45 KRIW 180730  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1230 AM MST THU JAN 18 2024  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 17 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 23 3:47 PM 48 2020 29 -6 33  
MINIMUM -3 1:33 AM -15 2017 6 -9 13  
AVERAGE 10 17 -7 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.25 2008 0.00 0.00 0.00  
MONTH TO DATE T 0.07 -0.07 0.02  
SINCE DEC 1 T 0.18 -0.18 0.05  
SINCE JAN 1 T 0.07 -0.07 0.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 55 48 7 42  
MONTH TO DATE 946 816 130 735  
SINCE DEC 1 2151 2231 -80 2283  
SINCE JUL 1 3756 4008 -252 4215  
 
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 9 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 6:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 65  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 42 2006  
MINIMUM TEMPERATURE (F) 6 -7 2013  
2017  
 
SUNRISE AND SUNSET  
JANUARY 18 2024.......SUNRISE 7:44 AM MST SUNSET 5:02 PM MST  
JANUARY 19 2024.......SUNRISE 7:43 AM MST SUNSET 5:03 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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