051  
CDUS45 KRIW 160729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT THU AUG 16 2018  
 
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 15 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 411 PM 101 2015 90 2 77  
MINIMUM 52 550 AM 46 2005 56 -4 58  
AVERAGE 72 73 -1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 2009 0.01 -0.01 0.03  
MONTH TO DATE 0.07 0.14 -0.07 0.07  
SINCE JUN 1 1.43 2.00 -0.57 0.44  
SINCE JAN 1 4.84 5.17 -0.33 1.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 45 76 -31 17  
SINCE JUL 1 0 6 -6 0  
 
COOLING  
YESTERDAY 7 8 -1 3  
MONTH TO DATE 145 137 8 80  
SINCE JUN 1 596 520 76 624  
SINCE JAN 1 621 540 81 636    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 15 200 PM  
AVERAGE 49  
   
......................................................
 
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 100 2013  
MINIMUM TEMPERATURE (F) 55 43 2009  
 
 
SUNRISE AND SUNSET  
AUGUST 16 2018........SUNRISE 616 AM MDT SUNSET 816 PM MDT  
AUGUST 17 2018........SUNRISE 618 AM MDT SUNSET 814 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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