Climatological Report (Monthly)
Issued by NWS Cheyenne, WY

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CXUS55 KCYS 031142
CLMCYS


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

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

...The CHEYENNE WY climate summary for the month of September 2018...

Climate normal period 1981 to 2010
Climate record period 1871 to 2018

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value  Date(s)
                                          Normal
................................................................
Temperature (F)
Record
 High              93   09/04/1960
 Low                8   09/30/1985
Highest            92   09/16        71      21       92
Lowest             32   09/26        44     -12       35
Avg. Maximum     77.8              71.8     6.0     73.4
Avg. Minimum     47.1              44.7     2.4     46.7
Mean             62.5              58.2     4.3     60.1
Days Max >= 90      2               0.2                1
Days Max <= 32      0               0.1                0
Days Min <= 32      1               1.7                0
Days Min <= 0       0               0.0                0

Precipitation (inches)
Record
 Maximum         6.95   2013
 Minimum         0.00   1879
Totals           0.09              1.48   -1.39     1.08
Days >= .01         3               8.3    -5.3        6
Days >= .10         0               3.8    -3.8        4
Days >= .50         0               1.0    -1.0        0
Days >= 1.00        0               0.2    -0.2        0
Greatest
 24 Hr. Total    0.05   09/19 to 09/19

Snowfall (inches)
Records
 Total           11.8   MM
Totals            0.0               1.3    -1.3      0.0
Since 7/1           T               1.3    -1.3        T
Snowdepth Avg.      0
Days >= Trace       0               0.7    -0.7        0
Days >= 1.0         0               0.4    -0.4        0
Greatest
 Snow Depth         0   MM                             0  MM
 24 Hr Total      0.0   09/30 to 09/30           09/30 to 09/30

DEGREE_DAYS
HEATING TOTAL     130               225     -95      199
 SINCE 7/1        170               281    -111      230
COOLING TOTAL      61                22      39       60
 SINCE 1/1        430               348      82      408
.................................................................

Wind (mph)
Average Wind Speed              9.7
Highest Wind Speed/Direction    44/210    Date  09/11
Highest Gust Speed/Direction    58/200    Date  09/11

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.20
Number Of Days Fair           24
Number Of Days PC              4
Number of Days Cloudy          2

Average RH (Percent)     52

Weather Conditions. Number Of Days With
THUNDERSTORM              5     MIXED PRECIP                0
HEAVY RAIN                0     RAIN                        0
LIGHT RAIN                9     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                      10     FOG W/VIS <= 1/4 MILE       4
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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