Climatological Report (Monthly)
Issued by NWS
Issued by NWS
024
CXUS55 KCYS 011628
CLMAIA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1028 AM MDT THU OCT 01 2026
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...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 103 09/05/2020
LOW 15 09/26/1926
09/25/1926
HIGHEST 96 09/05 MM MM 92
LOWEST 43 09/30 MM MM 28
AVG. MAXIMUM 78.8 77.4 1.4 80.3
AVG. MINIMUM 53.0 42.8 10.2 46.2
MEAN 65.9 60.1 5.8 63.3
DAYS MAX >= 90 4 5.2 -1.2 2
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 2.8 -2.8 1
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.27 1951
TOTALS 2.73 1.26 1.47 1.73
DAYS >= .01 11 6.9 4.1 6
DAYS >= .10 5 2.9 2.1 4
DAYS >= .50 2 0.8 1.2 1
DAYS >= 1.00 1 0.2 0.8 0
GREATEST
24 HR. TOTAL 1.52 09/05 TO 09/05 0.98 09/13 TO 09/13
DEGREE DAYS
HEATING TOTAL 61 191 -130 83
SINCE 7/1 68 229 -161 MM
COOLING TOTAL 94 44 50 40
SINCE 1/1 892 561 331 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.7
HIGHEST WIND SPEED/DIRECTION 44/160 DATE 09/05
HIGHEST GUST SPEED/DIRECTION 65/120 DATE 09/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.29
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 4
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 6
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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