Climatological Report (Annual)
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000
CXUS55 KCYS 091918
CLAAIA


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
1200 PM MST TUE JAN 9 2018

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

...The ALLIANCE NE AIRPORT climate summary for the year of 2017...

Climate normal period 1981 to 2010
Climate record period 1896 to 2018

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High             110   07/19/1983
 Low              -42   12/22/1989
Highest           104   07/19        MM      MM      101
Lowest            -23   01/06        MM      MM      -28
Avg. Maximum     63.0              61.9     1.1     63.9
Avg. Minimum     31.0              31.1    -0.1     31.6
Mean             47.0              46.5     0.5     47.7
Days Max >= 90     38              33.8               38
Days Max <= 32     32              33.9               25
Days Min <= 32    200             191.2              196
Days Min <= 0      19              18.2               16

Precipitation (inches)
Record
 Maximum        22.93   2015
 Minimum         3.99   2002
Totals          17.19             15.66    1.53    16.39
Days >= .01        86                MM               74
Days >= .10        40                MM               36
Days >= .50        12                MM               10
Days >= 1.00        3                MM                2
Greatest
 24 Hr. Total    1.48   03/28

DEGREE_DAYS
HEATING TOTAL    7013              7309    -296     6679
 SINCE 7/1       2942              3082    -140     2608
COOLING TOTAL     553               564     -11      588
 SINCE 1/1        553               564     -11      588
..............................................................

Wind (mph)
Average Wind Speed              10.4
Highest Wind Speed/Direction    62/060    Date  07/27
Highest Gust Speed/Direction    78/060    Date  07/27

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair          242
Number Of Days PC             90
Number of Days Cloudy         33

Average RH (Percent)     64

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               1
Heavy Rain               12     Rain                      25
Light Rain               87     Freezing Rain              0
Lt Freezing Rain          1     Hail                       0
Heavy Snow                2     Snow                       7
Light Snow               46     Sleet                      0
Fog                     128     Fog w/vis <= 1/4 mile     27
Haze                     29

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

$$




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