025  
CXUS55 KCYS 011628  
CLMCDR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1028 AM MDT THU OCT 01 2026  
   
...............................  
 
...THE CHADRON NEBRASKA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2026  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 106 09/05/2020  
LOW 15 09/25/1926  
HIGHEST 100 09/05 MM MM 94  
LOWEST 40 09/15 MM MM 30  
AVG. MAXIMUM 82.3 79.2 3.1 81.4  
AVG. MINIMUM 53.4 46.5 6.9 49.0  
MEAN 67.9 62.8 5.1 65.2  
DAYS MAX >= 90 8 7.1 0.9 6  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 1.2 -1.2 1  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 5.82 1986  
TOTALS 2.48 1.59 0.89 4.28  
DAYS >= .01 12 6.5 5.5 4  
DAYS >= .10 3 3.5 -0.5 4  
DAYS >= .50 2 0.6 1.4 3  
DAYS >= 1.00 1 0.2 0.8 1  
GREATEST  
24 HR. TOTAL 1.20 09/20 TO 09/20 2.77 09/22 TO 09/22  
 
DEGREE DAYS  
HEATING TOTAL 40 141 -101 65  
SINCE 7/1 43 164 -121 MM  
COOLING TOTAL 132 76 56 77  
SINCE 1/1 1153 804 349 MM    
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 7.3  
HIGHEST WIND SPEED/DIRECTION 35/230 DATE 09/02  
HIGHEST GUST SPEED/DIRECTION 47/230 DATE 09/02  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.38  
NUMBER OF DAYS FAIR 8  
NUMBER OF DAYS PC 6  
NUMBER OF DAYS CLOUDY 2  
 
AVERAGE RH (PERCENT) 73  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 4 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 2  
LIGHT RAIN 16 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 8 FOG W/VIS <= 1/4 MILE 1  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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