Climatological Report (Daily)
Issued by NWS Cheyenne, WY

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CDUS45 KCYS 170745
CLICYS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
145 AM MDT SAT MAY 17 2025

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

...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR MAY 16 2025...

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)
 YESTERDAY
  MAXIMUM         64        MM  86    1996  64      0       73
  MINIMUM         40        MM  25    1942  40      0       38
  AVERAGE         52                        52      0       56

PRECIPITATION (IN)
  YESTERDAY        0.00          1.30 1987   0.07  -0.07     0.00
  MONTH TO DATE    0.35                      1.21  -0.86     0.11
  SINCE MAR 1      1.54                      3.96  -2.42     2.21
  SINCE JAN 1      3.07                      4.83  -1.76     3.81

SNOWFALL (IN)
  YESTERDAY        0.0          10.0  1943   0.1   -0.1      0.0
  MONTH TO DATE    T                         2.5   -2.5      0.0
  SINCE MAR 1      6.5                      23.5  -17.0     12.5
  SINCE JUL 1     34.3                      62.0  -27.7     47.8
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       13                        13      0        9
  MONTH TO DATE  169                       251    -82      271
  SINCE MAR 1   1532                      1782   -250     1702
  SINCE JUL 1   6139                      6698   -559     6194

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    16.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           300 AM
 LOWEST     19           400 PM
 AVERAGE    42

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


THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        86      1964
 MINIMUM TEMPERATURE (F)   41        24      1942


SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE   539 AM MDT   SUNSET   813 PM MDT
MAY 18 2025...........SUNRISE   538 AM MDT   SUNSET   814 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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