Climatological Report (Monthly)
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CXUS55 KCYS 101533
CLMDGW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
833 AM MST TUE JAN 10 2017

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

...THE DOUGLAS WY AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/12/2014
 LOW              -27   12/09/2006
HIGHEST            50   12/30        MM      MM       62
                        12/24
LOWEST            -22   12/08        MM      MM      -16
AVG. MAXIMUM     32.6              37.5    -4.9     37.2
AVG. MINIMUM      6.3              10.7    -4.4     12.7
MEAN             19.5              24.1    -4.6     24.9
DAYS MAX >= 90      0               0.0                0
DAYS MAX <= 32     12               9.2               11
DAYS MIN <= 32     31              30.3               28
DAYS MIN <= 0       8               5.9                7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.74   2014
 MINIMUM         0.07   2012
TOTALS           0.46              0.40    0.06     0.41
DAYS >= .01         4                MM      MM        6
DAYS >= .10         2                MM      MM        0
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.23   12/05 TO 12/05

DEGREE_DAYS
HEATING TOTAL    1402              1267     135     1235
 SINCE 7/1       2766              3089    -323     2697
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        209               486    -277      503
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    45/260    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    58/260    DATE  12/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     64

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          0     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               13     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

$$



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