Climatological Report (Monthly)
Issued by NWS

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425
CXUS55 KCYS 031142
CLMAIA


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
533 AM MDT WED OCT 3 2018

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

...The ALLIANCE NE AIRPORT climate summary for the month of September 2018...

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             101   09/06/2013
                        09/04/1998
                        09/07/1908
 Low               15   09/26/1926
                        09/25/1926
Highest            96   09/15        MM      MM       98
Lowest             25   09/26        MM      MM       28
Avg. Maximum     78.7              76.1     2.6     77.1
Avg. Minimum     45.8              42.7     3.1     44.0
Mean             62.3              59.4     2.9     60.6
Days Max >= 90      8               2.9                6
Days Max <= 32      0               0.0                0
Days Min <= 32      3               3.1                3
Days Min <= 0       0               0.0                0

Precipitation (inches)
Record
 Maximum         6.27   1951
 Minimum         0.03   1953
Totals           0.44              1.39   -0.95     1.16
Days >= .01         6                MM      MM       11
Days >= .10         1                MM      MM        6
Days >= .50         0                MM      MM        0
Days >= 1.00        0                MM      MM        0
Greatest
 24 Hr. Total    0.28   09/25 to 09/25

DEGREE_DAYS
HEATING TOTAL     145               208     -63      186
 SINCE 7/1        189               245     -56      214
COOLING TOTAL      73                40      33       58
 SINCE 1/1        566               563       3      553
..............................................................

Wind (mph)
Average Wind Speed              10.2
Highest Wind Speed/Direction    30/130    Date  09/18
Highest Gust Speed/Direction    44/070    Date  09/11

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair           19
Number Of Days PC              8
Number of Days Cloudy          3

Average RH (Percent)     68

Weather Conditions. Number Of Days With
THUNDERSTORM              4     MIXED PRECIP                0
HEAVY RAIN                1     RAIN                        2
LIGHT RAIN                8     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                      17     FOG W/VIS <= 1/4 MILE       5
HAZE                      1

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

$$



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