746  
CDUS45 KRIW 010735  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT THU JUN 01 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 31 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 2:06 PM 94 2020 76 7 61  
MINIMUM 50 5:19 AM 37 2004 49 1 43  
AVERAGE 67 62 5 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 1999 0.05 -0.05 0.00  
MONTH TO DATE 0.53 1.33 -0.80 0.95  
SINCE MAR 1 1.10 2.08 -0.98 2.73  
SINCE JAN 1 1.21 2.35 -1.14 2.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 13  
MONTH TO DATE 104 272 -168 326  
SINCE MAR 1 1461 1662 -201 1898  
SINCE JUL 1 7692 7486 206 7222  
 
COOLING  
YESTERDAY 2 2 0 0  
MONTH TO DATE 33 23 10 6  
SINCE MAR 1 33 24 9 6  
SINCE JAN 1 33 24 9 6    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 4:00 AM  
LOWEST 18 3:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 2020  
MINIMUM TEMPERATURE (F) 49 36 2022  
 
SUNRISE AND SUNSET  
JUNE 1 2023..........SUNRISE 5:31 AM MDT SUNSET 8:50 PM MDT  
JUNE 2 2023..........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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