618  
CDUS45 KRIW 160726  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT MON OCT 16 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 15 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 67 3:32 PM 80 2014 60 7 62  
MINIMUM 33 6:10 AM 17 2018 34 -1 37  
AVERAGE 50 47 3 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.12 2004 0.02 -0.02 0.00  
MONTH TO DATE 0.28 0.39 -0.11 0.09  
SINCE SEP 1 1.86 1.22 0.64 1.25  
SINCE JAN 1 7.94 5.04 2.90 5.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 18 -3 15  
MONTH TO DATE 187 222 -35 183  
SINCE SEP 1 256 391 -135 260  
SINCE JUL 1 261 410 -149 263  
 
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 E (100)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 3.3  
 
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 89 7:00 AM  
LOWEST 27 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 70 2012  
2015  
MINIMUM TEMPERATURE (F) 33 22 2020  
 
SUNRISE AND SUNSET  
OCTOBER 16 2023.......SUNRISE 7:29 AM MDT SUNSET 6:26 PM MDT  
OCTOBER 17 2023.......SUNRISE 7:30 AM MDT SUNSET 6:25 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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