817  
CDUS45 KCYS 170745  
CLISNY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1245 AM MST SUN DEC 17 2017  
 
   
...............................
 
 
   
..THE SIDNEY NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 48 1213 PM 68 1962 41 7 31  
MINIMUM 24 104 AM -12 1964 16 8 -1  
AVERAGE 36 28 8 15  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.13 1993 0.02 -0.02 0.01  
MONTH TO DATE T 0.31 -0.31 0.08  
SINCE JAN 1 7.59 18.31 -10.72 12.79  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 37 -8 50  
MONTH TO DATE 479 573 -94 685  
SINCE DEC 1 479 573 -94 685  
SINCE JUL 1 1908 1995 -87 1836  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 641 830 -189 770    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 13.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1100 PM  
LOWEST 29 300 AM  
AVERAGE 61  
   
......................................................
 
 
 
THE SIDNEY NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 65 1962  
MINIMUM TEMPERATURE (F) 16 -18 1964  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2017......SUNRISE 712 AM MST SUNSET 425 PM MST  
DECEMBER 18 2017......SUNRISE 712 AM MST SUNSET 425 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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