590  
CDUS45 KRIW 290731  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT SAT MAR 29 2025  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR MARCH 28 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 68 2:02 PM 80 2015 56 12 59  
MINIMUM 46 11:59 PM 15 2008 29 17 30  
AVERAGE 57 42 15 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.19 2007 0.01 0.00 T  
MONTH TO DATE 0.35 0.19 0.16 0.17  
SINCE MAR 1 0.35 0.19 0.16 0.17  
SINCE JAN 1 0.56 0.46 0.10 0.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 23 -15 20  
MONTH TO DATE 656 772 -116 737  
SINCE MAR 1 656 772 -116 737  
SINCE JUL 1 6141 6596 -455 5993  
 
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 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 11:00 PM  
LOWEST 23 1:00 PM  
AVERAGE 47  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 67 2010  
2014  
MINIMUM TEMPERATURE (F) 29 20 1999  
 
SUNRISE AND SUNSET  
MARCH 29 2025.........SUNRISE 6:58 AM MDT SUNSET 7:36 PM MDT  
MARCH 30 2025.........SUNRISE 6:56 AM MDT SUNSET 7:38 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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