Climatological Report (Monthly)
Issued by NWS

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000
CXUS55 KCYS 041339
CLMAIA


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
739 AM MDT WED OCT 4 2017

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

...The ALLIANCE NE AIRPORT climate summary for the month of September 2017...

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             101   09/06/2013
                        09/04/1998
                        09/07/1908
 Low               15   09/26/1926
                        09/25/1926
Highest            98   09/03        MM      MM       92
Lowest             28   09/27        MM      MM       30
Avg. Maximum     77.1              76.1     1.0     78.0
Avg. Minimum     44.0              42.7     1.3     44.3
Mean             60.6              59.4     1.2     61.2
Days Max >= 90      6               2.9                2
Days Max <= 32      0               0.0                0
Days Min <= 32      3               3.1                4
Days Min <= 0       0               0.0                0

Precipitation (inches)
Record
 Maximum         6.27   1951
 Minimum         0.03   1953
Totals           1.16              1.39   -0.23     1.44
Days >= .01        11                MM      MM        7
Days >= .10         6                MM      MM        5
Days >= .50         0                MM      MM        1
Days >= 1.00        0                MM      MM        0
Greatest
 24 Hr. Total    0.37   09/15 to 09/16

DEGREE_DAYS
HEATING TOTAL     186               208     -22      140
 SINCE 7/1        214               245     -31      178
COOLING TOTAL      58                40      18       34
 SINCE 1/1        553               563     -10      587
..............................................................

Wind (mph)
Average Wind Speed              8.8
Highest Wind Speed/Direction    38/340    Date  09/19
Highest Gust Speed/Direction    50/340    Date  09/19

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair           20
Number Of Days PC              6
Number of Days Cloudy          4

Average RH (Percent)     61

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                3     Rain                       5
Light Rain               10     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                0     Snow                       0
Light Snow                0     Sleet                      0
Fog                      12     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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