111
CXUS55 KCYS 020542
CLMCYS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1042 PM MST WED JAN 01 2025

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...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             70   12/02/2021
 LOW             -28   12/22/1990
                       12/21/1990
                       12/22/1989
HIGHEST           61   12/21         39      22       64
LOWEST            10   12/31         17      -7       10
AVG. MAXIMUM    47.7               39.3     8.4     44.5
AVG. MINIMUM    23.5               18.1     5.4     24.4
MEAN            35.6               28.7     6.9     34.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     3                8.5    -5.5        6
DAYS MIN <= 32    29               28.9     0.1       29
DAYS MIN <= 0      0                2.2    -2.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.00   1913
TOTALS          0.05               0.48   -0.43
DAYS >= .01        3                6.0    -3.0        4
DAYS >= .10        0                1.8    -1.8        2
DAYS >= .50        0                0.1    -0.1        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.03   12/09 TO 12/09               0.15  12/26 TO 12/26

SNOWFALL (INCHES)
RECORDS
 TOTAL          24.4   MM
 24 HR TOTAL    12.5   MM
TOTALS           0.5                8.8    -8.3      4.2
SINCE 7/1        5.1               23.2   -18.1       MM
DAYS >= 1.0        0                2.8    -2.8        2
GREATEST
 SNOW DEPTH       MM                                   1
 24 HR TOTAL      MM                                 4.2

DEGREE DAYS
HEATING TOTAL    902               1125    -223
 SINCE 7/1      2224               2812    -588
COOLING TOTAL      0                  0       0
 SINCE 1/1       528                397     131
................................................................

WIND (MPH)
AVERAGE WIND SPEED              12.4
HIGHEST WIND SPEED/DIRECTION    51/270    DATE  12/15
HIGHEST GUST SPEED/DIRECTION    69/270    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.19
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     47

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                5     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$