Climatological Report (Daily)
Issued by NWS Cheyenne, WY

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162
CDUS45 KCYS 180745
CLICYS


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
1245 AM MST MON DEC 18 2017


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

...The CHEYENNE WYOMING AIRPORT climate summary for December 17 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         41    214 PM  65    1980  38      3       13
  Minimum         23   1108 PM -24    1964  17      6      -11
  Average         32                        27      5        1

Precipitation (in)
  Yesterday        0.04          0.25 2006   0.02   0.02      T
  Month to Date    0.11                      0.29  -0.18     0.40
  Since Jan 1     14.68                     15.74  -1.06    14.68

Snowfall (in)
  Yesterday       MM             3.0  2006   0.2   MM         T
                                      1908
  Month to Date    1.2                       4.8   -3.6      6.0
  Since Jul 1     13.4                      19.1   -5.7      9.8
  Snow Depth       0

Degree Days
 Heating
  Yesterday       33                        38     -5       64
  Month to Date  503                       634   -131      730
  Since Dec 1    503                       634   -131      730
  Since Jul 1   2016                      2382   -366     1994

 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    32   Highest Wind Direction     W (280)
  Highest Gust Speed    40   Highest Gust Direction     W (280)
  Average Wind Speed     9.4


Sky Cover
  Average Sky Cover 0.4


Weather Conditions
 The following weather was recorded yesterday.
  light snow
  fog


Relative Humidity (percent)
 Highest   100           100 AM
 Lowest     44           300 PM
 Average    72

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


The CHEYENNE WYOMING AIRPORT climate normals for today
                         Normal    Record    Year
 Maximum Temperature (F)   38        67      1931
 Minimum Temperature (F)   17       -15      1924


Sunrise and Sunset
December 18 2017......Sunrise   720 AM MST   Sunset   432 PM MST
December 19 2017......Sunrise   720 AM MST   Sunset   433 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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