330  
CDUS45 KRIW 280728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST FRI NOV 28 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR NOVEMBER 27 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 37 4:16 PM 60 1998 37 0 42  
MINIMUM 22 3:52 AM -9 2015 14 8 20  
AVERAGE 30 25 5 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2005 0.00 0.00 0.00  
2017  
 
MONTH TO DATE 0.09 0.17 -0.08 0.21  
SINCE SEP 1 2.63 1.60 1.03 0.97  
SINCE JAN 1 6.83 5.42 1.41 6.28  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 40 -5 34  
MONTH TO DATE 643 891 -248 816  
SINCE SEP 1 1236 1635 -399 1261  
SINCE JUL 1 1236 1654 -418 1274  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 50 48 2 91  
SINCE JAN 1 791 744 47 832    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 11:00 PM  
LOWEST 61 1:00 PM  
AVERAGE 75  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 60 1998  
MINIMUM TEMPERATURE (F) 13 -10 2015  
 
SUNRISE AND SUNSET  
NOVEMBER 28 2025......SUNRISE 7:26 AM MST SUNSET 4:35 PM MST  
NOVEMBER 29 2025......SUNRISE 7:27 AM MST SUNSET 4:34 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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