Climatological Report (Monthly)
Issued by NWS

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CXUS55 KCYS 041339
CLMLAR


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

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

...The LARAMIE WY AIRPORT climate summary for the month of September 2017...

Climate normal period 1981 to 2010
Climate record period 1948 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              90   09/06/1978
                        09/05/1978
 Low               -2   09/30/1985
Highest            87   09/03        MM      MM       84
Lowest             25   09/26        MM      MM       24
Avg. Maximum     69.6              68.6     1.0     72.1
Avg. Minimum     38.8              37.9     0.9     39.1
Mean             54.2              53.3     0.9     55.6
Days Max >= 90      0               0.0                0
Days Max <= 32      0               0.0                0
Days Min <= 32      4               5.5                8
Days Min <= 0       0               0.0                0

Precipitation (inches)
Record
 Maximum         3.05   2013
 Minimum         0.00   1956
Totals           0.99              1.11   -0.12     0.77
Days >= .01        11               7.1     3.9        8
Days >= .10         4               3.0     1.0        2
Days >= .50         0               0.5    -0.5        0
Days >= 1.00        0               0.0     0.0        0
Greatest
 24 Hr. Total    0.32   09/24 to 09/24

DEGREE_DAYS
HEATING TOTAL     318               353     -35      277
 SINCE 7/1        430               525     -95      443
COOLING TOTAL       1                 1       0        4
 SINCE 1/1        101                67      34      119
..............................................................

Wind (mph)
Average Wind Speed              10.1
Highest Wind Speed/Direction    40/250    Date  09/19
Highest Gust Speed/Direction    53/260    Date  09/17

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.40
Number Of Days Fair           15
Number Of Days PC             11
Number of Days Cloudy          4

Average RH (Percent)     56

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                3     Rain                       4
Light Rain               16     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                0     Snow                       0
Light Snow                2     Sleet                      0
Fog                       4     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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