Climatological Report (Monthly)
Issued by NWS Cheyenne, WY

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CXUS55 KCYS 060247
CLMCYS


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
847 PM MDT TUE JUN 5 2012

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

...THE CHEYENNE WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012

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            87   05/22        65      22       79
LOWEST             29   05/08        39     -10       23
AVG. MAXIMUM     69.2              64.7     4.5     57.8
AVG. MINIMUM     40.4              40.2     0.2     36.5
MEAN             54.8              52.4     2.4     47.1
DAYS MAX >= 90      0               0.0                0
DAYS MAX <= 32      0               0.0                0
DAYS MIN <= 32      2               3.3               10
DAYS MIN <= 0       0               0.0                0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.66   1904
 MINIMUM         0.03   2011
TOTALS           0.30              2.34   -2.04     3.12
DAYS >= .01         7              12.4    -5.4       15
DAYS >= .10         1               5.7    -4.7       10
DAYS >= .50         0               1.4    -1.4        1
DAYS >= 1.00        0               0.3    -0.3        0
GREATEST
 24 HR. TOTAL    0.18   05/19 TO 05/19

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.4   MM
TOTALS            0.2               2.3    -2.1      3.7
SINCE 7/1        51.7              60.3    -8.6     51.2
SNOWDEPTH AVG.      0
DAYS >= TRACE       2               1.8     0.2        6
DAYS >= 1.0         0               0.7    -0.7        2
GREATEST
 SNOW DEPTH         0   05/31                          0  MM
 24 HR TOTAL      0.2   05/11 TO 05/11           05/11 TO 05/12
                                                          05/12 TO 05/12
                                                          05/12 TO 05/12

DEGREE_DAYS
HEATING TOTAL     315               392     -77      549
 SINCE 7/1       6407              6977    -570     6960
COOLING TOTAL       5                 3       2        0
 SINCE 1/1          5                 3       2        0
...................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    38/280    DATE  05/28
HIGHEST GUST SPEED/DIRECTION    51/330    DATE  05/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     47

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                       9     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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