Climatological Report (Monthly)
Issued by NWS Cheyenne, WY

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CXUS55 KCYS 021326
CLMCYS

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
626 AM MST TUE JAN 02 2024

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

...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

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           64   12/06         39      25       57
LOWEST            10   12/25         17      -7      -25
AVG. MAXIMUM    44.5               39.3     5.2     39.5
AVG. MINIMUM    24.4               18.1     6.3     17.0
MEAN            34.4               28.7     5.7     28.2
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     6                8.5    -2.5        5
DAYS MIN <= 32    29               28.9     0.1       29
DAYS MIN <= 0      0                2.2    -2.2        3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.00   1913
TOTALS          0.31               0.48   -0.17
DAYS >= .01        4                6.0    -2.0        3
DAYS >= .10        2                1.8     0.2        0
DAYS >= .50        0                0.1    -0.1        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.15   12/26 TO 12/26               0.08  12/13 TO 12/13
                                                          12/21 TO 12/21

SNOWFALL (INCHES)
RECORDS
 TOTAL          24.4   MM
 24 HR TOTAL    12.5   MM
TOTALS           4.2                8.8    -4.6      4.4
SINCE 7/1       16.3               23.2    -6.9       MM
DAYS >= 1.0        2                2.8    -0.8        2
GREATEST
 SNOW DEPTH        1   12/24                           2
                       12/26
                       12/27
 24 HR TOTAL     4.2                                 2.4

DEGREE DAYS
HEATING TOTAL    942               1125    -183
 SINCE 7/1      2384               2812    -428
COOLING TOTAL      0                  0       0
 SINCE 1/1       383                397     -14
................................................................

WIND (MPH)
AVERAGE WIND SPEED              13.2
HIGHEST WIND SPEED/DIRECTION    45/260    DATE  12/07
HIGHEST GUST SPEED/DIRECTION    66/280    DATE  12/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.29
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     54

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

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

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