440  
CDUS45 KRIW 010736  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1236 AM MST FRI DEC 01 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR NOVEMBER 30 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 27 3:28 PM 66 1999 36 -9 23  
MINIMUM 6 7:25 AM -18 2006 12 -6 -3  
2014  
AVERAGE 17 24 -7 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.13 2018 0.00 0.00 0.00  
MONTH TO DATE 0.03 0.19 -0.16 0.24  
SINCE SEP 1 2.60 1.62 0.98 1.63  
SINCE JAN 1 8.68 5.44 3.24 5.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 48 41 7 55  
MONTH TO DATE 910 1013 -103 1340  
SINCE SEP 1 1600 1757 -157 1929  
SINCE JUL 1 1605 1776 -171 1932  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 50 48 2 96  
SINCE JAN 1 702 744 -42 943    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 1.3  
 
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 92 9:00 AM  
LOWEST 66 2:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 64 1998  
MINIMUM TEMPERATURE (F) 12 -21 2014  
 
SUNRISE AND SUNSET  
DECEMBER 1 2023......SUNRISE 7:28 AM MST SUNSET 4:34 PM MST  
DECEMBER 2 2023......SUNRISE 7:30 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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