763  
CDUS45 KRIW 080727  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT TUE APR 08 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 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 70 2:57 PM 78 2005 58 12 42  
MINIMUM 25 5:38 AM 16 2018 31 -6 35  
AVERAGE 48 45 3 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 2011 0.02 -0.02 T  
MONTH TO DATE T 0.08 -0.08 0.61  
SINCE MAR 1 0.47 0.30 0.17 1.05  
SINCE JAN 1 0.68 0.57 0.11 1.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 20 -3 26  
MONTH TO DATE 173 148 25 126  
SINCE MAR 1 905 988 -83 944  
SINCE JUL 1 6390 6812 -422 6200  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 6:00 AM  
LOWEST 15 3:00 PM  
AVERAGE 47  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 73 2016  
MINIMUM TEMPERATURE (F) 32 21 2000  
 
SUNRISE AND SUNSET  
APRIL 8 2025.........SUNRISE 6:40 AM MDT SUNSET 7:49 PM MDT  
APRIL 9 2025.........SUNRISE 6:38 AM MDT SUNSET 7:50 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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