Climatological Report (Monthly)
Issued by NWS Jackson, KY

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CXUS53 KJKL 011637
CLMLOZ

CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1137 AM EST MON JAN 1 2018

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

...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1954 TO 2017

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            66   12/23        MM      MM       71  12/18
                        12/04
LOWEST             10   12/31        MM      MM       13  12/10
                        12/28
AVG. MAXIMUM     45.2              47.6    -2.4     48.2
AVG. MINIMUM     27.2              29.4    -2.2     29.9
MEAN             36.2              38.5    -2.3     39.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      6               2.9     3.1        3
DAYS MIN <= 32     23              19.2     3.8       20
DAYS MIN <= 0       0               0.3    -0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.16   1990
 MINIMUM         0.41   1965
TOTALS           2.91              4.24   -1.33     6.30
DAILY AVG.       0.09              0.14   -0.05     0.20
DAYS >= .01         6              11.7    -5.7       14
DAYS >= .10         3               7.5    -4.5       10
DAYS >= .50         3               3.0     0.0        5
DAYS >= 1.00        1               1.1    -0.1        1
GREATEST
 24 HR. TOTAL    1.64   12/23 TO 12/23              1.45

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     884               822      62      794
 SINCE 7/1       1665              1652      13     1385
COOLING TOTAL       0                 1      -1        0
 SINCE 1/1       1141              1191     -50     1507
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.6
HIGHEST WIND SPEED/DIRECTION    28/210    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    47/190    DATE  12/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                3     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      3
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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