628  
CDUS45 KRIW 230806  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
206 AM MDT WED AUG 23 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 22 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 98R 2:59 PM 98 2010 87 11 93  
2011  
2020  
MINIMUM 61 5:12 AM 46 2015 54 7 62  
AVERAGE 80 71 9 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.24 2007 0.01 0.04 0.00  
2007  
2014  
MONTH TO DATE 0.20 0.13 0.07 1.12  
SINCE JUN 1 4.87 1.37 3.50 1.31  
SINCE JAN 1 6.08 3.72 2.36 4.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 3  
SINCE JUN 1 44 67 -23 65  
SINCE JUL 1 5 5 0 3  
 
COOLING  
YESTERDAY 15 6 9 13  
MONTH TO DATE 188 194 -6 258  
SINCE JUN 1 544 625 -81 772  
SINCE JAN 1 577 649 -72 778    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 10:00 PM  
LOWEST 15 3:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 98 2006  
MINIMUM TEMPERATURE (F) 54 38 2015  
 
SUNRISE AND SUNSET  
AUGUST 23 2023........SUNRISE 6:24 AM MDT SUNSET 8:05 PM MDT  
AUGUST 24 2023........SUNRISE 6:25 AM MDT SUNSET 8:03 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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