320  
CDUS45 KCYS 120731  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
131 AM MDT SAT SEP 12 2026  
   
...............................  
 
...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2026...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 240 PM 97 1994 80 9 88  
MINIMUM 50 547 AM 24 1902 45 5 60  
AVERAGE 70 62 8 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.90 1973 0.04 -0.04 0.00  
MONTH TO DATE 1.69 0.50 1.19 T  
SINCE SEP 1 1.69 0.50 1.19 T  
SINCE JAN 1 11.94 12.74 -0.80 11.48  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 1 37 -36 27  
SINCE SEP 1 1 37 -36 27  
SINCE JUL 1 8 74 -66 30  
 
COOLING  
YESTERDAY 5 2 3 9  
MONTH TO DATE 79 28 51 20  
SINCE SEP 1 79 28 51 20  
SINCE JAN 1 877 545 332 668    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 500 AM  
LOWEST 18 1000 AM  
AVERAGE 49  
   
......................................................  
 
THE ALLIANCE NEBRASKA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 1939  
MINIMUM TEMPERATURE (F) 45 24 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2026.....SUNRISE 628 AM MDT SUNSET 706 PM MDT  
SEPTEMBER 13 2026.....SUNRISE 629 AM MDT SUNSET 704 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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