411  
CDUS45 KRIW 080729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT TUE JUL 08 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 7 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 5:21 PM 101 2018 90 1 82  
MINIMUM 60 4:54 AM 44 2010 57 3 53  
AVERAGE 76 74 2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2012 0.01 -0.01 0.00  
2021  
2022  
MONTH TO DATE 0.12 0.06 0.06 0.49  
SINCE JUN 1 0.58 1.14 -0.56 0.89  
SINCE JAN 1 3.29 3.49 -0.20 4.12  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 4  
SINCE JUN 1 46 62 -16 33  
SINCE JUL 1 0 0 0 4  
 
COOLING  
YESTERDAY 11 9 2 3  
MONTH TO DATE 62 56 6 12  
SINCE JUN 1 194 178 16 186  
SINCE JAN 1 215 202 13 186    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 5:00 AM  
LOWEST 15 3:00 PM  
AVERAGE 36  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 107 2002  
MINIMUM TEMPERATURE (F) 57 48 2010  
 
SUNRISE AND SUNSET  
JULY 8 2025..........SUNRISE 5:36 AM MDT SUNSET 8:58 PM MDT  
JULY 9 2025..........SUNRISE 5:37 AM MDT SUNSET 8:58 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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