Climatological Report (Monthly)
Issued by NWS Jackson, KY

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CXUS53 KJKL 010738
CLMLOZ

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSON KY
238 AM EST TUE JAN 1 2013

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

...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1954 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              78   12/02/1982
 LOW              -17   12/13/1962
HIGHEST            71   12/03        MM      MM       66  12/05
LOWEST             21   12/31        MM      MM       18  12/11
                        12/23
AVG. MAXIMUM     51.5              47.6     3.9     51.5
AVG. MINIMUM     34.6              29.4     5.2     31.7
MEAN             43.0              38.5     4.5     41.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      1               2.9    -1.9        0
DAYS MIN <= 32     15              19.2    -4.2       17
DAYS MIN <= 0       0               0.3    -0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.16   1990
 MINIMUM         0.41   1965
TOTALS           5.83              4.24    1.59     4.40
DAILY AVG.       0.19              0.14    0.05     0.14
DAYS >= .01        17              11.7     5.3        9
DAYS >= .10        11               7.5     3.5        8
DAYS >= .50         4               3.0     1.0        4
DAYS >= 1.00        2               1.1     0.9        1
GREATEST
 24 HR. TOTAL    2.06   12/09 TO 12/10              1.11

SNOWFALL (INCHES)
RECORDS
 TOTAL           13.5   1963
TOTALS             MM               1.1      MM       MM
SINCE 7/1          MM               1.1      MM       MM
SNOWDEPTH AVG.     MM                MM      MM       MM
DAYS >= 1.0        MM               0.6      MM       MM
GREATEST
 SNOW DEPTH        MM                                 MM
 24 HR TOTAL       MM                                 MM

DEGREE_DAYS
HEATING TOTAL     674               822    -148      715
 SINCE 7/1       1728              1652      76     1567
COOLING TOTAL       0                 1      -1        0
 SINCE 1/1       1226              1191      35     1249
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
HIGHEST WIND SPEED/DIRECTION    33/270    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    41/260    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      11
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                4     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$

CARICO





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