Climatological Report (Monthly)
Issued by NWS Cheyenne, WY

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CXUS55 KCYS 071457 CCA
CLMCYS

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHEYENNE WY
1138 AM MDT THU JUN 6 2013

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

...THE CHEYENNE WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              91   05/29/2003
                        05/29/2000
 LOW                8   05/03/1907
HIGHEST            84   05/14        65      19       87
LOWEST              9   05/02        39     -30       29
AVG. MAXIMUM     64.8              64.7     0.1     69.2
AVG. MINIMUM     40.1              40.2    -0.1     40.4
MEAN             52.4              52.4     0.0     54.8
DAYS MAX >= 90      0               0.0                0
DAYS MAX <= 32      1               0.0                0
DAYS MIN <= 32      5               3.3                2
DAYS MIN <= 0       0               0.0                0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.66   1904
 MINIMUM         0.03   2011
TOTALS           1.01              2.34   -1.33     0.30
DAYS >= .01        11              12.4    -1.4        7
DAYS >= .10         3               5.7    -2.7        1
DAYS >= .50         0               1.4    -1.4        0
DAYS >= 1.00        0               0.3    -0.3        0
GREATEST
 24 HR. TOTAL    1.14   04/30 TO 05/01

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.4   MM
TOTALS            4.3               2.3     2.0      0.2
SINCE 7/1        87.1              60.3    26.8     51.7
SNOWDEPTH AVG.      1
DAYS >= TRACE       1               1.8    -0.8        2
DAYS >= 1.0         1               0.7     0.3        0
GREATEST
 SNOW DEPTH         8   05/02                          0  05/31
 24 HR TOTAL     11.4   04/30 TO 05/01           05/11 TO 05/11
                                                          05/11 TO 05/11
                                                          05/11 TO 05/11

DEGREE_DAYS
HEATING TOTAL     388               392      -4      315
 SINCE 7/1       7122              6977     145     6407
COOLING TOTAL       6                 3       3        5
 SINCE 1/1          6                 3       3        5
..................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    39/280    DATE  05/31
HIGHEST GUST SPEED/DIRECTION    54/270    DATE  05/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      4
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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