354  
CDUS45 KCYS 011331  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
731 AM MDT MON SEP 01 2025  
   
...............................  
 
...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 81 249 PM 101 1990 84 -3 94  
MINIMUM 51 242 AM 36 1908 49 2 49  
2020  
AVERAGE 66 66 0 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.98 1935 0.04 -0.04 0.00  
MONTH TO DATE 1.31 1.49 -0.18 0.50  
SINCE JUN 1 4.88 6.79 -1.91 3.43  
SINCE JAN 1 11.44 12.24 -0.80 8.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 1 24 -23 16  
SINCE JUN 1 71 125 -54 58  
SINCE JUL 1 3 35 -32 26  
 
COOLING  
YESTERDAY 1 3 -2 7  
MONTH TO DATE 221 184 37 254  
SINCE JUN 1 628 508 120 635  
SINCE JAN 1 648 517 131 639    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 28 400 PM  
AVERAGE 64  
   
......................................................  
 
THE ALLIANCE NEBRASKA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 2023  
MINIMUM TEMPERATURE (F) 49 34 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 617 AM MDT SUNSET 724 PM MDT  
SEPTEMBER 2 2025.....SUNRISE 618 AM MDT SUNSET 723 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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