Climatological Report (Monthly)
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000
CXUS55 KCYS 031353
CLMLAR


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
636 AM MST THU JAN 3 2019

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

...The LARAMIE WY AIRPORT climate summary for the month of December 2018...

Climate normal period 1981 to 2010
Climate record period 1948 to 2019

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              61   12/16/1980
 Low              -34   12/31/2014
                        12/22/1989
                        02/18/2006
Highest            50   12/16        MM      MM       56
Lowest             -9   12/29        MM      MM      -16
Avg. Maximum     32.5              32.2     0.3     38.2
Avg. Minimum      8.7              10.0    -1.3     12.7
Mean             20.6              21.1    -0.5     25.4
Days Max >= 90      0               0.0                0
Days Max <= 32     15              14.0               12
Days Min <= 32     31              30.5               30
Days Min <= 0       8               5.9                5

Precipitation (inches)
Record
 Maximum           MM   MM
 Minimum           MM   MM
Totals           0.09              0.32   -0.23     0.23
Days >= .01         2               5.1    -3.1        6
Days >= .10         0               1.1    -1.1        0
Days >= .50         0               0.0     0.0        0
Days >= 1.00        0               0.0     0.0        0
Greatest
 24 Hr. Total    0.09   11/30 to 12/01
                        12/01 to 12/01
                        12/01 to 12/02

DEGREE_DAYS
HEATING TOTAL    1369              1361       8     1220
 SINCE 7/1       3585              3673     -88     3254
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        109                67      42      101
..............................................................

Wind (mph)
Average Wind Speed              12.3
Highest Wind Speed/Direction    43/270    Date  12/19
Highest Gust Speed/Direction    55/220    Date  12/12

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair           18
Number Of Days PC              9
Number of Days Cloudy          4

Average RH (Percent)     66

Weather Conditions. Number Of Days With
THUNDERSTORM              0     MIXED PRECIP                0
HEAVY RAIN                0     RAIN                        0
LIGHT RAIN                0     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        3
LIGHT SNOW               15     SLEET                       0
FOG                      13     FOG W/VIS <= 1/4 MILE       2
HAZE                      3

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

$$





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