Climatological Report (Daily)
Issued by NWS Cheyenne, WY

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000
CDUS45 KCYS 170745
CLICYS


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
1245 AM MST SUN DEC 17 2017


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

...The CHEYENNE WYOMING AIRPORT climate summary for December 16 2017...

Climate normal period 1981 to 2010
Climate record period 1871 to 2017


Weather Item   Observed Time   Record Year Normal Departure Last
                Value   (LST)  Value       Value  From      Year
                                                  Normal
..................................................................
Temperature (F)
 Yesterday
  Maximum         48    359 AM  66    1962  38     10       46
  Minimum         26   1159 PM -15    1964  17      9       -5
  Average         37                        27     10       21

Precipitation (in)
  Yesterday        0.01          0.51 1908   0.01   0.00     0.05
  Month to Date    0.07                      0.27  -0.20     0.40
  Since Jan 1     14.64                     15.72  -1.08    14.68

Snowfall (in)
  Yesterday       MM             4.5  1908   0.3   MM        0.8
  Month to Date    0.4                       4.6   -4.2      6.0
  Since Jul 1     12.6                      18.9   -6.3      9.8
  Snow Depth       0

Degree Days
 Heating
  Yesterday       28                        38    -10       44
  Month to Date  470                       596   -126      666
  Since Dec 1    470                       596   -126      666
  Since Jul 1   1983                      2344   -361     1930

 Cooling
  Yesterday        0                         0      0        0
  Month to Date    0                         0      0        0
  Since Dec 1      0                         0      0        0
  Since Jan 1    404                       348     56      452
..................................................................


Wind (MPH)
  Highest Wind Speed    36   Highest Wind Direction     W (280)
  Highest Gust Speed    46   Highest Gust Direction     W (280)
  Average Wind Speed    11.2


Sky Cover
  Average Sky Cover 0.3


Weather Conditions
 The following weather was recorded yesterday.
  light snow
  fog
  fog w/visibility <= 1/4 mile


Relative Humidity (percent)
 Highest   100           900 PM
 Lowest     14           200 AM
 Average    57

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


The CHEYENNE WYOMING AIRPORT climate normals for today
                         Normal    Record    Year
 Maximum Temperature (F)   38        65      1980
 Minimum Temperature (F)   17       -24      1964


Sunrise and Sunset
December 17 2017......Sunrise   719 AM MST   Sunset   432 PM MST
December 18 2017......Sunrise   720 AM MST   Sunset   432 PM MST


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




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