Climatological Report (Monthly)
Issued by NWS Jackson, KY

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000
CXUS53 KJKL 010729
CLMJKL

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSON KY
229 AM EST WED JAN 1 2014

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

...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2013...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              79   12/03/1982
 LOW              -13   12/22/1989
HIGHEST            73   12/21        66       7       72  12/03
LOWEST             16   12/25        10       6       23  12/30
AVG. MAXIMUM     48.0              46.0     2.0     50.9
AVG. MINIMUM     32.5              30.2     2.3     36.4
MEAN             40.3              38.1     2.2     43.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      3               4.0    -1.0        1
DAYS MIN <= 32     19              17.9     1.1       14
DAYS MIN <= 0       0               0.3    -0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.97   1990
 MINIMUM         1.74   1985
TOTALS           7.09              4.18    2.91     6.39
DAILY AVG.       0.23              0.13    0.10     0.21
DAYS >= .01        15              14.0     1.0       18
DAYS >= .10        10               8.2     1.8       12
DAYS >= .50         5               2.7     2.3        5
DAYS >= 1.00        3               1.0     2.0        2
GREATEST
 24 HR. TOTAL    2.87   12/05 TO 12/06              2.22

SNOWFALL (INCHES)
RECORDS
 TOTAL           18.5   2010
TOTALS            1.4               4.9    -3.5      1.8
SINCE 7/1         4.3               5.5    -1.2      2.9
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         1               1.8    -0.8        1
GREATEST
 SNOW DEPTH         1   12/10                        -99
 24 HR TOTAL      1.0   12/10 TO 12/10               1.5

DEGREE_DAYS
HEATING TOTAL     758               834     -76      656
 SINCE 7/1       1645              1634      11     1608
COOLING TOTAL       0                 1      -1        0
 SINCE 1/1       1069              1155     -86     1318
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.7
HIGHEST WIND SPEED/DIRECTION    25/270    DATE  12/22
HIGHEST GUST SPEED/DIRECTION    42/270    DATE  12/22

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)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       7
LIGHT RAIN               15     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                9     SLEET                      2
FOG                      16     FOG W/VIS <= 1/4 MILE      4
HAZE                      2

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

$$

CARICO






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