320  
CDUS45 KRIW 310728  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT FRI MAY 31 2024  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 30 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 67 4:06 PM 91 2002 75 -8 83  
2020  
MINIMUM 42 5:19 AM 37 2006 49 -7 50  
AVERAGE 55 62 -7 67  
 
PRECIPITATION (IN)  
YESTERDAY T 0.66 2011 0.06 -0.06 0.01  
MONTH TO DATE 1.91 1.28 0.63 0.53  
SINCE MAR 1 3.18 2.03 1.15 1.10  
SINCE JAN 1 3.23 2.30 0.93 1.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 5 5 0  
MONTH TO DATE 324 268 56 104  
SINCE MAR 1 1619 1658 -39 1461  
SINCE JUL 1 6875 7482 -607 7690  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 0 18 -18 31  
SINCE MAR 1 0 19 -19 31  
SINCE JAN 1 0 19 -19 31    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 6:00 AM  
LOWEST 20 7:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 2020  
MINIMUM TEMPERATURE (F) 49 37 2004  
 
SUNRISE AND SUNSET  
MAY 31 2024...........SUNRISE 5:31 AM MDT SUNSET 8:50 PM MDT  
JUNE 1 2024..........SUNRISE 5:30 AM MDT SUNSET 8:51 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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