393  
CDUS45 KCYS 160728  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT SAT MAY 16 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR MAY 15 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 68 1125 AM 88 1978 70 -2 85  
1944  
MINIMUM 45 1055 PM 22 2014 39 6 45  
AVERAGE 57 54 3 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 1.49 2015 0.06 0.32 0.00  
MONTH TO DATE 2.08 1.13 0.95 0.87  
SINCE JAN 1 3.42 3.99 -0.57 3.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 11 -3 0  
MONTH TO DATE 251 198 53 282  
SINCE MAR 1 1828 1683 145 2025  
SINCE JUL 1 7157 7087 70 7090  
 
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 29 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1100 PM  
LOWEST 56 1100 AM  
AVERAGE 78  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1934  
MINIMUM TEMPERATURE (F) 39 26 2016  
 
 
SUNRISE AND SUNSET  
MAY 16 2020...........SUNRISE 529 AM MDT SUNSET 807 PM MDT  
MAY 17 2020...........SUNRISE 528 AM MDT SUNSET 808 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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