Climatological Report (Monthly)
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CXUS55 KCYS 091829
CLMCDR


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

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

...The CHADRON NE AIRPORT climate summary for the month of December 2017...

Climate normal period 1981 to 2010
Climate record period 1895 to 2018

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              74   12/06/1939
 Low              -40   12/22/1989
Highest            70   12/03        MM      MM       50
Lowest            -20   12/27        MM      MM      -26
Avg. Maximum     37.8              38.4    -0.6     30.4
Avg. Minimum      8.7              10.4    -1.7      4.2
Mean             23.3              24.4    -1.1     17.3
Days Max >= 90      0               0.0                0
Days Max <= 32     11               9.1               14
Days Min <= 32     31              30.4               31
Days Min <= 0       9               6.4                8

Precipitation (inches)
Record
 Maximum         1.89   1987
 Minimum         0.00   1992
                        1989
                        1988
Totals           0.01              0.52   -0.51     0.94
Days >= .01         1               4.4    -3.4        8
Days >= .10         0               1.8    -1.8        2
Days >= .50         0               0.1    -0.1        0
Days >= 1.00        0               0.0     0.0        0
Greatest
 24 Hr. Total    0.01   12/04 to 12/04

DEGREE_DAYS
HEATING TOTAL    1285              1258      27     1472
 SINCE 7/1       2722              2942    -220     2584
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        776               712      64      883
..............................................................

Wind (mph)
Average Wind Speed              9.2
Highest Wind Speed/Direction    37/310    Date  12/04
Highest Gust Speed/Direction    48/310    Date  12/04

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.40
Number Of Days Fair           16
Number Of Days PC             10
Number of Days Cloudy          5

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                1     Snow                       3
Light Snow               11     Sleet                      0
Fog                       9     Fog w/vis <= 1/4 mile      1
Haze                     11

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

$$



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