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Climatological Report (Annual)
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CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
113 PM MST THU JAN 10 2013

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...THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             109   07/16/2006
 LOW              -42   12/22/1989
HIGHEST           108   06/26        MM      MM      102
LOWEST            -16   01/17        MM      MM      -25
AVG. MAXIMUM     67.5              61.9     5.6     61.3
AVG. MINIMUM     31.9              31.1     0.8     30.7
MEAN             49.7              46.5     3.2     46.0
DAYS MAX >= 90     74              33.8               40
DAYS MAX <= 32     21              33.9               33
DAYS MIN <= 32    190             191.2              195
DAYS MIN <= 0      13              18.2               27

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.90   2010
 MINIMUM         3.99   2002
TOTALS           6.94             15.66   -8.72    19.60
DAYS >= .01        44                MM               98
DAYS >= .10        18                MM               38
DAYS >= .50         3                MM               11
DAYS >= 1.00        1                MM                5
GREATEST
 24 HR. TOTAL    1.23   06/07 TO 06/07

DEGREE_DAYS
HEATING TOTAL    6454              7309    -855     7497
 SINCE 7/1       2804              3082    -278     2887
COOLING TOTAL     959               564     395      697
 SINCE 1/1        959               564     395      697
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
HIGHEST WIND SPEED/DIRECTION    54/310    DATE  10/18
HIGHEST GUST SPEED/DIRECTION    69/320    DATE  10/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR          264
NUMBER OF DAYS PC             87
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             28     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      12
LIGHT RAIN               52     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                2     SNOW                       7
LIGHT SNOW               36     SLEET                      0
FOG                      80     FOG W/VIS <= 1/4 MILE     24
HAZE                     22

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

$$
National Weather Service National Headquarters
