279  
CDUS45 KRIW 200737  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT SUN OCT 20 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 19 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 62 4:40 PM 80 2003 58 4 76  
MINIMUM 32 7:09 AM 22 1999 32 0 32  
2002  
AVERAGE 47 45 2 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2006 0.02 -0.02 0.00  
2006  
2016  
MONTH TO DATE 0.22 0.47 -0.25 0.28  
SINCE SEP 1 0.60 1.30 -0.70 1.86  
SINCE JAN 1 5.91 5.12 0.79 7.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 20 -2 11  
MONTH TO DATE 158 298 -140 230  
SINCE SEP 1 228 467 -239 299  
SINCE JUL 1 241 486 -245 304  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE SEP 1 91 46 45 50  
SINCE JAN 1 832 742 90 702    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.6  
 
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 97 9:00 AM  
LOWEST 32 4:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 77 2014  
2017  
2023  
MINIMUM TEMPERATURE (F) 32 21 1999  
 
SUNRISE AND SUNSET  
OCTOBER 20 2024.......SUNRISE 7:35 AM MDT SUNSET 6:19 PM MDT  
OCTOBER 21 2024.......SUNRISE 7:36 AM MDT SUNSET 6:17 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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