303  
CDUS45 KCYS 122127  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
327 PM MDT TUE MAY 12 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR MAY 12 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 45 159 PM 89 2007 69 -24 66  
1906  
MINIMUM 34 538 AM 21 1983 38 -4 23  
1953  
AVERAGE 40 53 -13 45  
 
PRECIPITATION (IN)  
TODAY 0.00 1.41 1975 0.07 -0.07 0.00  
MONTH TO DATE 1.69 0.94 0.75 0.85  
SINCE JAN 1 3.03 3.80 -0.77 3.73  
 
DEGREE DAYS  
HEATING  
TODAY 25 12 13 20  
MONTH TO DATE 227 165 62 268  
SINCE MAR 1 1804 1650 154 2011  
SINCE JUL 1 7133 7054 79 7076  
 
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 29 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 18.9  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 76 100 PM  
AVERAGE 88  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 2013  
1941  
MINIMUM TEMPERATURE (F) 38 19 1983  
 
 
SUNRISE AND SUNSET  
MAY 12 2020...........SUNRISE 533 AM MDT SUNSET 803 PM MDT  
MAY 13 2020...........SUNRISE 532 AM MDT SUNSET 804 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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