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Climatological Report (Annual)
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CXUS55 KCYS 102112
CLASNY

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
209 PM MST TUE JAN 10 2012

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

...THE SIDNEY NE AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             107   07/16/2006
                        07/11/1954
 LOW              -39   12/22/1989
HIGHEST           102   08/23        MM      MM      104
                        07/31
LOWEST            -19   02/02        MM      MM      -10
AVG. MAXIMUM     64.3              64.4    -0.1     64.5
AVG. MINIMUM     34.9              36.1    -1.2     36.7
MEAN             49.6              50.2    -0.6     50.6
DAYS MAX >= 90     52              44.5               52
DAYS MAX <= 32     26              23.0               19
DAYS MIN <= 32    166             162.0              171
DAYS MIN <= 0      14               7.2                7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        21.79   2009
 MINIMUM         6.17   2002
TOTALS          27.82R            18.54    9.28    20.88
DAYS >= .01       110              91.8               78
DAYS >= .10        45              41.3               32
DAYS >= .50        15              11.2               11
DAYS >= 1.00        8               3.3                5
GREATEST
 24 HR. TOTAL    3.89   06/19 TO 06/19

DEGREE_DAYS
HEATING TOTAL    6442              6222     220     6058
 SINCE 7/1       2448              2547     -99     2296
COOLING TOTAL     960               831     129      947
 SINCE 1/1        960               830     130      947
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.7
HIGHEST WIND SPEED/DIRECTION    58/290    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    70/290    DATE  12/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR          272
NUMBER OF DAYS PC             71
NUMBER OF DAYS CLOUDY         22

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               23     RAIN                      30
LIGHT RAIN              100     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW                3     SNOW                      15
LIGHT SNOW               44     SLEET                      0
FOG                     123     FOG W/VIS <= 1/4 MILE     39
HAZE                     73

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

$$
National Weather Service National Headquarters
