787  
CDUS45 KRIW 110728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE JUL 11 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 10 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 93 3:37 PM 102 2012 91 2 94  
MINIMUM 63 5:51 AM 48 2019 58 5 64  
AVERAGE 78 74 4 79  
 
PRECIPITATION (IN)  
YESTERDAY T 0.22 2005 0.01 -0.01 0.00  
MONTH TO DATE 0.92 0.08 0.84 0.02  
SINCE JUN 1 4.64 1.16 3.48 0.16  
SINCE JAN 1 5.85 3.51 2.34 2.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 0  
SINCE JUN 1 44 62 -18 62  
SINCE JUL 1 5 0 5 0  
 
COOLING  
YESTERDAY 13 9 4 14  
MONTH TO DATE 48 83 -35 120  
SINCE JUN 1 116 205 -89 237  
SINCE JAN 1 149 229 -80 243    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.7  
 
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 75 6:00 AM  
LOWEST 21 3:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 102 2002  
MINIMUM TEMPERATURE (F) 58 52 2016  
 
SUNRISE AND SUNSET  
JULY 11 2023..........SUNRISE 5:38 AM MDT SUNSET 8:57 PM MDT  
JULY 12 2023..........SUNRISE 5:39 AM MDT SUNSET 8:56 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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