119  
CDUS45 KCYS 212127  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
327 PM MDT THU MAY 21 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR MAY 21 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 74 146 PM 92 1964 72 2 40  
MINIMUM 40 441 AM 25 1931 41 -1 33  
AVERAGE 57 57 0 37  
 
PRECIPITATION (IN)  
TODAY T 1.15 1923 0.09 -0.09 0.79  
MONTH TO DATE 2.60 1.61 0.99 2.58  
SINCE JAN 1 3.94 4.47 -0.53 5.46  
 
DEGREE DAYS  
HEATING  
TODAY 8 9 -1 28  
MONTH TO DATE 290 255 35 395  
SINCE MAR 1 1867 1740 127 2138  
SINCE JUL 1 7196 7144 52 7203  
 
COOLING  
TODAY 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 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 27 100 PM  
AVERAGE 60  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 98 2012  
MINIMUM TEMPERATURE (F) 42 28 1910  
 
 
SUNRISE AND SUNSET  
MAY 21 2020...........SUNRISE 525 AM MDT SUNSET 812 PM MDT  
MAY 22 2020...........SUNRISE 524 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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