165  
CDUS45 KRIW 160030  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
627 PM MDT MON OCT 15 2018  
 
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 15 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 45 MM 80 2014 60 -15 59  
MINIMUM 17R MM 25 2017 33 -16 25  
AVERAGE 31  
 
PRECIPITATION (IN)  
TODAY 0.00 0.12 2004 0.02 -0.02 0.00  
MONTH TO DATE 0.08 0.37 -0.29 T  
SINCE SEP 1 0.33 1.25 -0.92 2.00  
SINCE JAN 1 5.84 6.70 -0.86 3.98  
 
DEGREE DAYS  
HEATING  
TODAY 34 19 15 23  
MONTH TO DATE 320 239 81 292  
SINCE SEP 1 472 449 23 523  
SINCE JUL 1 496 470 26 523  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 33 36 -3 62  
SINCE JAN 1 703 669 34 824    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 AM  
LOWEST 37 300 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 70 2015  
2012  
MINIMUM TEMPERATURE (F) 32 25 2013  
 
 
SUNRISE AND SUNSET  
OCTOBER 15 2018.......SUNRISE 728 AM MDT SUNSET 628 PM MDT  
OCTOBER 16 2018.......SUNRISE 729 AM MDT SUNSET 626 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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