Climatological Report (Annual)
Issued by NWS Jackson, KY

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000
CXUS53 KJKL 010758
CLAJKL

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSON KY
258 AM EST FRI JAN 1 2010

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

...THE JACKSON KY CLIMATE SUMMARY FOR THE YEAR OF 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1981 TO 2009

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             101   08/18/1988
                        08/17/1988
                        07/08/1988
 LOW              -18   01/19/1994
                        01/21/1985
                        01/20/1985
HIGHEST            90   04/24        81       9       93
LOWEST             -2   01/16        31     -33        5
AVG. MAXIMUM     64.4              65.2    -0.8     65.7
AVG. MINIMUM     47.0              46.6     0.4     46.2
MEAN             55.7              55.9    -0.2     56.0
DAYS MAX >= 90      1              14.8   -13.8       15
DAYS MAX <= 32     22              16.5     5.5       17
DAYS MIN <= 32     78              81.3    -3.3       87
DAYS MIN <= 0       1               1.4    -0.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        63.29   1989
 MINIMUM        34.37   2001
TOTALS          56.07             49.38    6.69    40.50
DAYS >= .01       163             144.1    18.9      136
DAYS >= .10       106              91.2    14.8       82
DAYS >= .50        40              33.4     6.6       33
DAYS >= 1.00       13              12.3     0.7        6
GREATEST
 24 HR. TOTAL    2.83   05/08 TO 05/09              1.81

SNOWFALL (INCHES)
RECORDS
 TOTAL           62.7   1996
 24 HR TOTAL     19.8   03/13/1993 TO 03/13/1993
TOTALS           44.8              24.5             18.1
SINCE 7/1        17.6               5.2    12.4      7.8
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0        14               7.3     6.7        6
GREATEST
 24 HR TOTAL     11.6   12/18 TO 12/19               2.5

DEGREE_DAYS
HEATING TOTAL    4275              4358     -83     4346
 SINCE 7/1       1672              1663       9     1701
COOLING TOTAL     987              1059     -72     1115
 SINCE 1/1        987              1059     -72     1115
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              3.2
RESULTANT WIND SPEED/DIRECTION   1/153
HIGHEST WIND SPEED/DIRECTION    31/240    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    55/220    DATE  12/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   59
NUMBER OF DAYS FAIR          149
NUMBER OF DAYS PC            130
NUMBER OF DAYS CLOUDY         86

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             48     MIXED PRECIP               1
HEAVY RAIN               60     RAIN                      95
LIGHT RAIN              159     FREEZING RAIN              2
LT FREEZING RAIN          7     HAIL                       0
HEAVY SNOW                4     SNOW                      12
LIGHT SNOW               42     SLEET                      9
FOG                     224     FOG W/VIS <= 1/4 MILE     88
HAZE                     67

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

$$

CARICO





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