424  
CDUS45 KRIW 140728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE MAY 14 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 13 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 1:22 PM 94 2001 69 11 66  
MINIMUM 49 5:23 AM 28 2014 43 6 50  
AVERAGE 65 56 9 58  
 
PRECIPITATION (IN)  
YESTERDAY T 0.06 2003 0.04 -0.04 0.00  
2003  
2018  
MONTH TO DATE 0.97 0.44 0.53 0.20  
SINCE MAR 1 2.24 1.19 1.05 0.77  
SINCE JAN 1 2.29 1.46 0.83 0.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 7  
MONTH TO DATE 180 153 27 78  
SINCE MAR 1 1475 1543 -68 1435  
SINCE JUL 1 6731 7367 -636 7664  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 0 1 -1 2  
SINCE JAN 1 0 1 -1 2    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 6:00 AM  
LOWEST 23 2:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 89 2001  
MINIMUM TEMPERATURE (F) 43 32 2004  
 
SUNRISE AND SUNSET  
MAY 14 2024...........SUNRISE 5:45 AM MDT SUNSET 8:33 PM MDT  
MAY 15 2024...........SUNRISE 5:44 AM MDT SUNSET 8:34 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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