313  
CDUS45 KRIW 060728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE MAY 06 2025  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 5 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 61 1:02 AM 89 2004 66 -5 79  
MINIMUM 38 10:45 PM 28 2010 39 -1 38  
AVERAGE 50 53 -3 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.09R 0.07 2010 0.03 0.06 0.01  
MONTH TO DATE 0.09 0.14 -0.05 0.01  
SINCE MAR 1 1.01 0.89 0.12 1.28  
SINCE JAN 1 1.22 1.16 0.06 1.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 12 3 6  
MONTH TO DATE 49 66 -17 89  
SINCE MAR 1 1329 1456 -127 1384  
SINCE JUL 1 6814 7280 -466 6640  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 19.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 10:00 PM  
LOWEST 48 1:00 AM  
AVERAGE 71  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 89 2017  
MINIMUM TEMPERATURE (F) 40 28 2010  
 
SUNRISE AND SUNSET  
MAY 6 2025...........SUNRISE 5:55 AM MDT SUNSET 8:23 PM MDT  
MAY 7 2025...........SUNRISE 5:54 AM MDT SUNSET 8:24 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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