969
CXUS55 KCYS 040104
CLMCYS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
704 PM MDT WED JUN 03 2026
...CORRECTED...

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

...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             91   05/29/2003
                       05/29/2000
 LOW               8   05/03/1907
HIGHEST           84   05/13         65      19       82
LOWEST            25   05/06         39     -14       30
AVG. MAXIMUM    66.2               64.4     1.8     66.3
AVG. MINIMUM    41.5               40.2     1.3     41.0
MEAN            53.9               52.3     1.6     53.6
DAYS MAX >= 90     0                0.1    -0.1        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     5                5.0     0.0        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.66   1904
TOTALS          2.19               2.44   -0.25
DAYS >= .01       11               12.9    -1.9       11
DAYS >= .10        3                6.0    -3.0        6
DAYS >= .50        2                1.3     0.7        0
DAYS >= 1.00       1                0.3     0.7        0
GREATEST
 24 HR. TOTAL   1.04   05/05 TO 05/05               0.91  05/25 TO 05/26

SNOWFALL (INCHES)
RECORDS
 TOTAL          30.4   MM
 24 HR TOTAL    14.0   MM
TOTALS           8.9                3.4     5.5        T
SINCE 7/1       26.4               62.9   -36.5       MM
DAYS >= 1.0        1                0.9     0.1        0
GREATEST
 SNOW DEPTH        6   05/06                           0
 24 HR TOTAL     8.5   05/05 TO 05/05                 MM

DEGREE DAYS
HEATING TOTAL    344                398     -54
 SINCE 7/1      5345               6845   -1500
COOLING TOTAL      4                  4       0
 SINCE 1/1         5                  4       1
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    37/030    DATE  05/09
HIGHEST GUST SPEED/DIRECTION    56/020    DATE  05/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.35
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                4     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$