Climatological Report (Monthly)
Issued by NWS Cheyenne, WY

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CXUS55 KCYS 151640
CLMCYS


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
1040 AM MDT MON MAY 15 2017

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

...The CHEYENNE WY climate summary for the month of April 2017...

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

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value  Date(s)
                                          Normal
................................................................
Temperature (F)
Record
 High              83   04/30/1992
 Low               -6   04/02/1975
                        04/02/1936
Highest            74   04/08        55      19       72
Lowest             24   04/05        30      -6       24
Avg. Maximum     56.9              54.9     2.0     53.6
Avg. Minimum     31.5              30.8     0.7     32.7
Mean             44.2              42.8     1.4     43.2
Days Max >= 90      0               0.0                0
Days Max <= 32      0               1.5                0
Days Min <= 32     19              16.6               11
Days Min <= 0       0               0.0                0

Precipitation (inches)
Record
 Maximum         7.66   1900
 Minimum         0.00   2011
Totals           2.57              1.78    0.79     3.06
Days >= .01        10              10.3    -0.3       14
Days >= .10         5               4.1     0.9        8
Days >= .50         3               0.9     2.1        1
Days >= 1.00        0               0.3    -0.3        0
Greatest
 24 Hr. Total    1.46   04/20 to 04/21

Snowfall (inches)
Records
 Total           46.5   MM
Totals            8.7              10.2    -1.5     19.4
Since 7/1        40.3              58.0   -17.7     90.1
Snowdepth Avg.      0
Days >= Trace      11               6.1     4.9       10
Days >= 1.0         2               2.7    -0.7        7
Greatest
 Snow Depth         1   04/29                          4  04/17
 24 Hr Total      6.0   04/20 to 04/21           04/16 to 04/17
                                                          04/17 to 04/17
                                                          04/17 to 04/17

DEGREE_DAYS
HEATING TOTAL     615               665     -50      647
 SINCE 7/1       5755              6585    -830     6006
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
........................................................

Wind (mph)
Average Wind Speed              12.3
Highest Wind Speed/Direction    44/280    Date  04/09
Highest Gust Speed/Direction    56/210    Date  04/09

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair           15
Number Of Days PC             11
Number of Days Cloudy          4

Average RH (Percent)     53

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                2     Rain                       3
Light Rain                7     Freezing Rain              0
Lt Freezing Rain          1     Hail                       0
Heavy Snow                2     Snow                       1
Light Snow                8     Sleet                      1
Fog                      10     Fog w/vis <= 1/4 mile      3
Haze                      2

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

$$


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