000
CXUS55 KCYS 101858 CCA
CLMCYS

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHEYENNE WY
1158 AM MST THU JAN 10 2013

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

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

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              69   12/05/1939
 LOW              -28   12/22/1990
                        12/21/1990
                        12/22/1989
HIGHEST            61   12/05        39      22       54
LOWEST             -4   12/25        17     -21       -6
AVG. MAXIMUM     38.5              38.2     0.3     38.0
AVG. MINIMUM     16.1              17.3    -1.2     14.0
MEAN             27.3              27.7    -0.4     26.0
DAYS MAX >= 90      0               0.0                0
DAYS MAX <= 32      9               8.7                7
DAYS MIN <= 32     29              28.7               29
DAYS MIN <= 0       3               2.7                3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.00   1913
 MINIMUM         0.01   1996
                        1881
TOTALS           0.56              0.49    0.07     0.49
DAYS >= .01         7               6.2     0.8        6
DAYS >= .10         3               1.6     1.4        2
DAYS >= .50         0               0.1    -0.1        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.33   12/18 TO 12/19

SNOWFALL (INCHES)
RECORDS
 TOTAL           24.4   MM
TOTALS           14.8               8.4     6.4      8.2
SINCE 7/1        25.4              22.7     2.7     35.0
SNOWDEPTH AVG.      1
DAYS >= TRACE      10               6.8     3.2       10
DAYS >= 1.0         4               2.7     1.3        4
GREATEST
 SNOW DEPTH         7   12/20                          4  12/03
                        12/19
 24 HR TOTAL     10.7   12/18 TO 12/19           12/21 TO 12/22

DEGREE_DAYS
HEATING TOTAL    1161              1155       6     1199
 SINCE 7/1       2702              2903    -201     2844
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        568               348     220      431
...................................................

WIND (MPH)
AVERAGE WIND SPEED              12.0
HIGHEST WIND SPEED/DIRECTION    49/280    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    60/290    DATE  12/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                9     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$