150
CXUS55 KCYS 020357
CLMAIA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
957 PM MDT WED OCT 01 2025

...................................

...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            103   09/05/2020
 LOW              15   09/26/1926
                       09/25/1926
HIGHEST           92   09/08         MM      MM       98
LOWEST            28   09/06         MM      MM       29
AVG. MAXIMUM    80.3               77.4     2.9     86.6
AVG. MINIMUM    46.2               42.8     3.4     46.4
MEAN            63.3               60.1     3.2     66.5
DAYS MAX >= 90     2                5.2    -3.2       10
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                2.8    -1.8        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.27   1951
TOTALS          1.73               1.26    0.47     0.23
DAYS >= .01        6                6.9    -0.9        3
DAYS >= .10        4                2.9     1.1        1
DAYS >= .50        1                0.8     0.2        0
DAYS >= 1.00       0                0.2    -0.2        0
GREATEST
 24 HR. TOTAL   0.98   09/13 TO 09/13               0.20  09/17 TO 09/17


DEGREE DAYS
HEATING TOTAL     83                191    -108       54
 SINCE 7/1        86                229    -143       MM
COOLING TOTAL     40                 44      -4      107
 SINCE 1/1       688                561     127       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    37/140    DATE  09/13
HIGHEST GUST SPEED/DIRECTION    53/140    DATE  09/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.19
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      3
HAZE                      4

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$