Climatological Report (Daily)
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317
CDUS45 KCYS 180727
CLIAIA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
127 AM MDT FRI SEP 18 2026

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

...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         71    409 PM 100    2000  77     -6       60
  MINIMUM         56    403 AM  29    1903  42     14       53
                                      1912
                                      1965
  AVERAGE         64                        60      4       57

PRECIPITATION (IN)
  YESTERDAY        0.65          1.25 1996   0.04   0.61     0.22
  MONTH TO DATE    2.37                      0.74   1.63     1.69
  SINCE SEP 1      2.37                      0.74   1.63     1.69
  SINCE JAN 1     12.62                     12.98  -0.36    13.17

DEGREE DAYS
 HEATING
  YESTERDAY        1                         6     -5        8
  MONTH TO DATE   18                        70    -52       40
  SINCE SEP 1     18                        70    -52       40
  SINCE JUL 1     25                       107    -82       43

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   87                        37     50       35
  SINCE SEP 1     87                        37     50       35
  SINCE JAN 1    885                       554    331      683
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 PM
 LOWEST     84           900 AM
 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 2026.....SUNRISE   634 AM MDT   SUNSET   655 PM MDT
SEPTEMBER 19 2026.....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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