702  
CDUS45 KRIW 220730  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT TUE OCT 22 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 21 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 72 3:41 PM 83 2003 57 15 66  
MINIMUM 36 7:02 AM 23 1998 31 5 36  
AVERAGE 54 44 10 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2004 0.01 -0.01 0.00  
2008  
MONTH TO DATE 0.22 0.50 -0.28 0.28  
SINCE SEP 1 0.60 1.33 -0.73 1.86  
SINCE JAN 1 5.91 5.15 0.76 7.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 21 -10 14  
MONTH TO DATE 182 339 -157 253  
SINCE SEP 1 252 508 -256 322  
SINCE JUL 1 265 527 -262 327  
 
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 9 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 3.0  
 
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 93 8:00 AM  
LOWEST 30 4:00 PM  
AVERAGE 62  
   
......................................................
 
 
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 2024.......SUNRISE 7:37 AM MDT SUNSET 6:15 PM MDT  
OCTOBER 23 2024.......SUNRISE 7:39 AM MDT SUNSET 6:14 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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