Climatological Report (Monthly)
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109
CXUS55 KCYS 121814
CLMAIA


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
1114 AM MST THU JAN 12 2017

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

...The ALLIANCE NE AIRPORT climate summary for the month of December 2016...

Climate normal period 1981 to 2010
Climate record period 1896 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              72   12/06/1939
 Low              -42   12/22/1989
Highest            50   12/20        MM      MM       66
Lowest            -28   12/18        MM      MM      -14
                        12/17
Avg. Maximum     35.3              38.6    -3.3     35.8
Avg. Minimum      3.0               8.6    -5.6      8.3
Mean             19.1              23.6    -4.5     22.0
Days Max >= 90      0               0.0                0
Days Max <= 32      9               8.4               15
Days Min <= 32     28              31.0               30
Days Min <= 0      10               6.5               10

Precipitation (inches)
Record
 Maximum         1.46   1978
 Minimum         0.00   1993
                        1992
                        1991
Totals           0.56              0.32    0.24     1.00
Days >= .01         2                MM      MM        6
Days >= .10         2                MM      MM        3
Days >= .50         0                MM      MM        1
Days >= 1.00        0                MM      MM        0
Greatest
 24 Hr. Total    0.38   12/25 to 12/25

DEGREE_DAYS
HEATING TOTAL    1278              1283      -5     1323
 SINCE 7/1       2608              3082    -474     2810
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        588               564      24      566
..............................................................

Wind (mph)
Average Wind Speed              10.4
Highest Wind Speed/Direction    35/350    Date  12/10
Highest Gust Speed/Direction    43/350    Date  12/10

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.20
Number Of Days Fair           22
Number Of Days PC              7
Number of Days Cloudy          1

Average RH (Percent)     61

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                0     Snow                       1
Light Snow                8     Sleet                      0
Fog                       7     Fog w/vis <= 1/4 mile      0
Haze                      3

-  Indicates negative numbers.
R  Indicates record was set or tied.
MM Indicates data is missing.
T  Indicates Trace Amount.

$$



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