869  
CDUS45 KRIW 210728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST TUE NOV 21 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR NOVEMBER 20 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 49 3:02 PM 61 2012 41 8 24  
MINIMUM 24 11:29 PM -10 2000 17 7 -6  
AVERAGE 37 29 8 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 1999 0.00 0.00 0.00  
2010  
MONTH TO DATE T 0.13 -0.13 0.22  
SINCE SEP 1 2.57 1.56 1.01 1.61  
SINCE JAN 1 8.65 5.38 3.27 5.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 36 -8 56  
MONTH TO DATE 492 623 -131 892  
SINCE SEP 1 1182 1367 -185 1481  
SINCE JUL 1 1187 1386 -199 1484  
 
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 31 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 15.6  
 
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 71 11:00 PM  
LOWEST 28 1:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 64 2012  
MINIMUM TEMPERATURE (F) 16 -5 2000  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2023......SUNRISE 7:16 AM MST SUNSET 4:40 PM MST  
NOVEMBER 22 2023......SUNRISE 7:18 AM MST SUNSET 4:39 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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