779  
CDUS45 KCYS 180730  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
130 AM MDT THU SEP 18 2025  
   
...............................  
 
...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 156 PM 100 2000 77 -17 93  
MINIMUM 53 541 AM 29 1903 42 11 53  
1912  
1965  
AVERAGE 57 60 -3 73  
 
PRECIPITATION (IN)  
YESTERDAY MM 1.25 1996 0.04 MM 0.20  
MONTH TO DATE T 0.74 -0.74 0.23  
SINCE SEP 1 T 0.74 -0.74 0.23  
SINCE JAN 1 11.48 12.98 -1.50 9.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 6 2 0  
MONTH TO DATE 40 70 -30 2  
SINCE SEP 1 40 70 -30 2  
SINCE JUL 1 43 107 -64 28  
 
COOLING  
YESTERDAY 0 1 -1 8  
MONTH TO DATE 35 37 -2 82  
SINCE SEP 1 35 37 -2 82  
SINCE JAN 1 683 554 129 721    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 83 200 PM  
AVERAGE 92  
   
......................................................  
 
THE ALLIANCE NEBRASKA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1998  
MINIMUM TEMPERATURE (F) 42 25 1912  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 635 AM MDT SUNSET 655 PM MDT  
SEPTEMBER 19 2025.....SUNRISE 636 AM MDT SUNSET 653 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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