Climatological Report (Monthly)
Issued by NWS Jackson, MS

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386
CXUS54 KJAN 021408
CLMGLH


CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSON MS
806 AM CST MON JAN 2 2017

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

...THE GREENVILLE CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1920 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              85   12/16/1924
 LOW                1   12/24/1989
                        12/23/1989
                        12/22/1989
HIGHEST            80   12/26        MM      MM       81  12/26
LOWEST             20   12/19        MM      MM       31  12/19
AVG. MAXIMUM     56.3              54.3     2.0     64.1
AVG. MINIMUM     38.4              35.7     2.7     46.0
MEAN             47.3              45.0     2.3     55.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.4    -0.4        0
DAYS MIN <= 32     11              12.2    -1.2        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        21.53   1931
 MINIMUM         0.49   1980
TOTALS           2.86              5.62   -2.76     3.81
DAILY AVG.       0.09              0.18   -0.09     0.12
DAYS >= .01        10                MM      MM        8
DAYS >= .10         7                MM      MM        6
DAYS >= .50         2                MM      MM        5
DAYS >= 1.00        1                MM      MM        1
GREATEST
 24 HR. TOTAL    1.04   12/03 TO 12/04              1.05

SNOWFALL (INCHES)
TOTALS            0.0

DEGREE_DAYS
HEATING TOTAL     554               622     -68      334
 SINCE 7/1        823              1084    -261      584
COOLING TOTAL      12                 3       9       35
 SINCE 1/1       2684              2189     495     2539
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    36/340    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    45/340    DATE  12/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      10
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      2
HAZE                     10

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

$$




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