Climatological Report (Monthly)
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CXUS55 KCYS 172309
CLMAIA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
107 PM MST SAT JAN 17 2015

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

...THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              72   12/06/1939
 LOW              -42   12/22/1989
HIGHEST            66   12/12        MM      MM       60
LOWEST            -28   12/31        MM      MM      -25
                        12/30
AVG. MAXIMUM     38.3              38.6    -0.3     33.8
AVG. MINIMUM     10.0               8.6     1.4      7.8
MEAN             24.2              23.6     0.6     20.8
DAYS MAX >= 90      0               0.0                0
DAYS MAX <= 32     11               8.4               12
DAYS MIN <= 32     31              31.0               29
DAYS MIN <= 0       6               6.5               10

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.46   1978
 MINIMUM         0.00   1993
                        1992
                        1991
TOTALS           1.01              0.32    0.69     0.54
DAYS >= .01         6                MM      MM        5
DAYS >= .10         4                MM      MM        1
DAYS >= .50         0                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.43   12/25 TO 12/26

DEGREE_DAYS
HEATING TOTAL    1259              1283     -24     1359
 SINCE 7/1       2967              3082    -115     3089
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        499               564     -65      795
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    38/320    DATE  12/22
HIGHEST GUST SPEED/DIRECTION    50/310    DATE  12/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     74

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                0     SNOW                       1
LIGHT SNOW                9     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      5
HAZE                      4

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

$$


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