112  
CDUS45 KCYS 202128  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
327 PM MDT WED MAY 20 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR MAY 20 2020
 
 
VALID AS OF 0300 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 159 PM 91 2005 72 5 40  
1992  
MINIMUM 55 404 AM 23 1931 41 14 35  
AVERAGE 66 56 10 38  
 
PRECIPITATION (IN)  
TODAY 0.00 2.48 1988 0.09 -0.09 0.67  
MONTH TO DATE 2.17 1.52 0.65 1.79  
SINCE JAN 1 3.51 4.38 -0.87 4.67  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9 27  
MONTH TO DATE 281 246 35 367  
SINCE MAR 1 1858 1731 127 2110  
SINCE JUL 1 7187 7135 52 7175  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 25.3  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 47 200 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 1964  
MINIMUM TEMPERATURE (F) 41 25 1931  
 
 
SUNRISE AND SUNSET  
MAY 20 2020...........SUNRISE 526 AM MDT SUNSET 811 PM MDT  
MAY 21 2020...........SUNRISE 525 AM MDT SUNSET 812 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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