998  
CDUS45 KCYS 180729  
CLISNY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT TUE SEP 18 2018  
 
   
...............................
 
 
   
..THE SIDNEY NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95 119 PM 99 2000 78 17 73  
MINIMUM 54 327 AM 28 1965 48 6 46  
AVERAGE 75 63 12 60  
 
PRECIPITATION (IN)  
YESTERDAY T 0.49 1971 0.04 -0.04 T  
MONTH TO DATE 0.35 0.81 -0.46 0.40  
SINCE JAN 1 10.19 15.97 -5.78 6.71  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 5  
MONTH TO DATE 6 39 -33 33  
SINCE SEP 1 6 39 -33 33  
SINCE JUL 1 32 50 -18 53  
 
COOLING  
YESTERDAY 10 2 8 0  
MONTH TO DATE 80 67 13 83  
SINCE SEP 1 80 67 13 83  
SINCE JAN 1 741 809 -68 638    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 AM  
LOWEST 17 300 PM  
AVERAGE 52  
   
......................................................
 
 
 
THE SIDNEY NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 93 1998  
1948  
MINIMUM TEMPERATURE (F) 47 30 1987  
1949  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2018.....SUNRISE 635 AM MDT SUNSET 656 PM MDT  
SEPTEMBER 19 2018.....SUNRISE 636 AM MDT SUNSET 654 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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