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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

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

...THE DOUGLAS WY AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             105   07/29/2006
                        07/18/2006
                        07/16/2005
 LOW              -33   01/27/2009
                        02/18/2006
HIGHEST           102   07/19        MM      MM       99
                        06/26
                        06/24
LOWEST            -13   01/17        MM      MM      -29
AVG. MAXIMUM     65.7              60.8     4.9     60.1
AVG. MINIMUM     33.5              31.0     2.5     30.7
MEAN             49.6              45.9     3.7     45.4
DAYS MAX >= 90     65              33.4               49
DAYS MAX <= 32     27              35.3               38
DAYS MIN <= 32    178             187.2              185
DAYS MIN <= 0       8              18.0               26

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           5.45             13.39   -7.94    13.72
DAYS >= .01        65                MM              106
DAYS >= .10        14                MM               40
DAYS >= .50         1                MM                7
DAYS >= 1.00        0                MM                1
GREATEST
 24 HR. TOTAL    0.53   10/24 TO 10/24

DEGREE_DAYS
HEATING TOTAL    6346              7442   -1096     7555
 SINCE 7/1       2721              3089    -368       MM
COOLING TOTAL     831               488     343      641
 SINCE 1/1        831               486     345      641
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    55/340    DATE  06/25
HIGHEST GUST SPEED/DIRECTION    82/350    DATE  06/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR          265
NUMBER OF DAYS PC             80
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             37     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      15
LIGHT RAIN               58     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                3     SNOW                       7
LIGHT SNOW               47     SLEET                      0
FOG                      62     FOG W/VIS <= 1/4 MILE     10
HAZE                     29

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

$$
National Weather Service National Headquarters
