802  
CDUS45 KRIW 270737  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT SAT MAY 27 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR MAY 26 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 80 2:11 PM 90 2003 74 6 84  
2006  
MINIMUM 52 11:59 PM 35 2007 47 5 43  
AVERAGE 66 61 5 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 0.36 2002 0.05 0.26 0.00  
MONTH TO DATE 0.52 1.07 -0.55 0.52  
SINCE MAR 1 1.09 1.82 -0.73 2.30  
SINCE JAN 1 1.20 2.09 -0.89 2.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 1  
MONTH TO DATE 101 248 -147 286  
SINCE MAR 1 1458 1638 -180 1858  
SINCE JUL 1 7689 7462 227 7182  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 27 12 15 1  
SINCE MAR 1 27 13 14 1  
SINCE JAN 1 27 13 14 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 PM  
LOWEST 26 2:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 87 2010  
MINIMUM TEMPERATURE (F) 48 36 2017  
 
SUNRISE AND SUNSET  
MAY 27 2023...........SUNRISE 5:34 AM MDT SUNSET 8:46 PM MDT  
MAY 28 2023...........SUNRISE 5:33 AM MDT SUNSET 8:46 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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