Climatological Report (Monthly)
Issued by NWS

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CXUS55 KCYS 121814
CLMSNY


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

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

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

Climate normal period 1981 to 2010
Climate record period 1948 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              72   12/28/1980
                        12/18/1980
 Low              -39   12/22/1989
Highest            55   12/20        MM      MM       71
Lowest            -17   12/17        MM      MM       -7
Avg. Maximum     36.8              41.3    -4.5     38.6
Avg. Minimum      9.9              16.1    -6.2     13.1
Mean             23.3              28.7    -5.4     25.9
Days Max >= 90      0               0.0                0
Days Max <= 32      9               6.9               11
Days Min <= 32     26              30.1               30
Days Min <= 0       7               2.4                7

Precipitation (inches)
Record
 Maximum         1.30   1958
 Minimum         0.00   1996
                        1990
                        1980
Totals           0.46              0.54   -0.08     0.95
Days >= .01         4               3.8     0.2        5
Days >= .10         1               1.1    -0.1        3
Days >= .50         0               0.1    -0.1        0
Days >= 1.00        0               0.0     0.0        0
Greatest
 24 Hr. Total    0.38   12/25 to 12/25

DEGREE_DAYS
HEATING TOTAL    1044              1125     -81     1205
 SINCE 7/1       2195              2547    -352     2555
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        770               830     -60      669
..............................................................

Wind (mph)
Average Wind Speed              12.2
Highest Wind Speed/Direction    53/310    Date  12/05
Highest Gust Speed/Direction    67/300    Date  12/05

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair           15
Number Of Days PC             10
Number of Days Cloudy          1

Average RH (Percent)     60

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                1     Rain                       1
Light Rain                1     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                1     Snow                       1
Light Snow                5     Sleet                      0
Fog                       3     Fog w/vis <= 1/4 mile      1
Haze                      5

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

$$



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