851  
CDUS45 KRIW 040727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT FRI JUL 04 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 3 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 87 12:42 PM 104 2012 89 -2 75  
MINIMUM 61 5:26 AM 53 2019 56 5 53  
2020  
2024  
AVERAGE 74 72 2 64  
 
PRECIPITATION (IN)  
YESTERDAY T 0.18 2023 0.01 -0.01 T  
MONTH TO DATE T 0.03 -0.03 0.47  
SINCE JUN 1 0.46 1.11 -0.65 0.87  
SINCE JAN 1 3.17 3.46 -0.29 4.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 46 62 -16 30  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 9 8 1 0  
MONTH TO DATE 34 23 11 4  
SINCE JUN 1 166 145 21 178  
SINCE JAN 1 187 169 18 178    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 11:00 PM  
LOWEST 23 1:00 PM  
AVERAGE 42  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 101 2002  
MINIMUM TEMPERATURE (F) 57 47 2024  
 
SUNRISE AND SUNSET  
JULY 4 2025..........SUNRISE 5:33 AM MDT SUNSET 9:00 PM MDT  
JULY 5 2025..........SUNRISE 5:34 AM MDT SUNSET 9:00 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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