Climatological Report (Daily)
Issued by NWS Cheyenne, WY

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152
CDUS45 KCYS 180032
CLICYS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
632 PM MDT SUN AUG 17 2025

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

...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2025...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         84        MM  94    1882  82      2       91
  MINIMUM         59    200 AM  41    2009  54      5       56
  AVERAGE         72                        68      4       74

PRECIPITATION (IN)
  TODAY            T             1.20 1983   0.04  -0.04      T
  MONTH TO DATE    0.40                      0.93  -0.53     2.52
  SINCE JUN 1      7.86                      5.20   2.66     4.47
  SINCE JAN 1     12.23                     11.26   0.97     8.51

SNOWFALL (IN)
  TODAY           MM            MM      MM   0.0   MM        0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        0
  MONTH TO DATE    4                        10     -6       21
  SINCE JUN 1     95                       142    -47       63
  SINCE JUL 1      6                        27    -21       33

 COOLING
  TODAY            7                         4      3        9
  MONTH TO DATE   93                        86      7      103
  SINCE JUN 1    333                       317     16      416
  SINCE JAN 1    333                       321     12      416
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     9.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69           200 AM
 LOWEST     22           300 PM
 AVERAGE    46

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


THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        95      2020
 MINIMUM TEMPERATURE (F)   54        44      1897
                                             1978


SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE   611 AM MDT   SUNSET   755 PM MDT
AUGUST 18 2025........SUNRISE   612 AM MDT   SUNSET   753 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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