985  
CDUS45 KCYS 180728  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT MON MAY 18 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR MAY 17 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 447 PM 94 1934 71 -5 56  
MINIMUM 40 456 AM 23 2016 40 0 42  
AVERAGE 53 55 -2 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.77 1983 0.08 -0.08 0.22  
MONTH TO DATE 2.17 1.28 0.89 1.12  
SINCE JAN 1 3.51 4.14 -0.63 4.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 10 2 16  
MONTH TO DATE 274 218 56 299  
SINCE MAR 1 1851 1703 148 2042  
SINCE JUL 1 7180 7107 73 7107  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 AM  
LOWEST 37 400 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 95 1934  
MINIMUM TEMPERATURE (F) 40 27 1946  
 
 
SUNRISE AND SUNSET  
MAY 18 2020...........SUNRISE 527 AM MDT SUNSET 809 PM MDT  
MAY 19 2020...........SUNRISE 526 AM MDT SUNSET 810 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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