568  
CDUS45 KRIW 220728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SUN OCT 22 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 21 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 66 3:46 PM 83 2003 57 9 74  
MINIMUM 36 5:17 AM 23 1998 31 5 40  
AVERAGE 51 44 7 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2004 0.01 -0.01 0.00  
2008  
MONTH TO DATE 0.28 0.50 -0.22 0.09  
SINCE SEP 1 1.86 1.33 0.53 1.25  
SINCE JAN 1 7.94 5.15 2.79 5.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 21 -7 8  
MONTH TO DATE 253 339 -86 266  
SINCE SEP 1 322 508 -186 343  
SINCE JUL 1 327 527 -200 346  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 50 46 4 96  
SINCE JAN 1 702 742 -40 943    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 4:00 AM  
LOWEST 33 4:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 80 2003  
MINIMUM TEMPERATURE (F) 31 19 2020  
 
SUNRISE AND SUNSET  
OCTOBER 22 2023.......SUNRISE 7:36 AM MDT SUNSET 6:17 PM MDT  
OCTOBER 23 2023.......SUNRISE 7:38 AM MDT SUNSET 6:15 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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