Climatological Report (Monthly)
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CXUS55 KCYS 091829
CLMDGW


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
1125 AM MST TUE JAN 9 2018

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

...The DOUGLAS WY AIRPORT climate summary for the month of December 2017...

Climate normal period 1981 to 2010
Climate record period 1998 to 2018

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            61   12/03        MM      MM       50
Lowest            -17   12/27        MM      MM      -22
Avg. Maximum     36.4              37.5    -1.1     32.6
Avg. Minimum     10.2              10.7    -0.5      6.3
Mean             23.3              24.1    -0.8     19.5
Days Max >= 90      0               0.0                0
Days Max <= 32     11               9.2               12
Days Min <= 32     30              30.3               31
Days Min <= 0       9               5.9                8

Precipitation (inches)
Record
 Maximum         0.74   2014
 Minimum         0.01   2017
Totals           0.01R             0.40   -0.39     0.46
Days >= .01         1                MM      MM        4
Days >= .10         0                MM      MM        2
Days >= .50         0                MM      MM        0
Days >= 1.00        0                MM      MM        0
Greatest
 24 Hr. Total    0.01   12/23 to 12/23

DEGREE_DAYS
HEATING TOTAL    1285              1267      18     1402
 SINCE 7/1       2972              3089    -117     2766
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        502               486      16      209
..............................................................

Wind (mph)
Average Wind Speed              9.8
Highest Wind Speed/Direction    35/340    Date  12/14
Highest Gust Speed/Direction    44/350    Date  12/14

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.40
Number Of Days Fair           16
Number Of Days PC             11
Number of Days Cloudy          4

Average RH (Percent)     68

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                1     Snow                       5
Light Snow               11     Sleet                      0
Fog                      10     Fog w/vis <= 1/4 mile      1
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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