031  
CDUS45 KRIW 270739  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
139 AM MDT FRI OCT 27 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 26 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 18 4:00 PM 76 1999 55 -37 45  
MINIMUM 1 11:59 PM -8 2020 29 -28 23  
AVERAGE 10 42 -32 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.12R T 2019 0.01 0.11 0.00  
2010  
 
MONTH TO DATE 0.99 0.56 0.43 0.23  
SINCE SEP 1 2.57 1.39 1.18 1.39  
SINCE JAN 1 8.65 5.21 3.44 5.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 55 23 32 31  
MONTH TO DATE 391 450 -59 384  
SINCE SEP 1 460 619 -159 461  
SINCE JUL 1 465 638 -173 464  
 
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 20 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 74 4:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 74 2001  
2016  
MINIMUM TEMPERATURE (F) 28 3 2020  
 
SUNRISE AND SUNSET  
OCTOBER 27 2023.......SUNRISE 7:43 AM MDT SUNSET 6:09 PM MDT  
OCTOBER 28 2023.......SUNRISE 7:44 AM MDT SUNSET 6:07 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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