Climatological Report (Monthly)
Issued by NWS Jackson, MS

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CXUS54 KJAN 010748
CLMTVR


CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSON MS
144 AM CST MON JAN 1 2018

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

...THE VICKSBURG CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              83   12/03/1982
 LOW                4   12/23/1989
HIGHEST            78   12/22        MM      MM       82
LOWEST             19   12/09        MM      MM       23
AVG. MAXIMUM     58.5              58.5     0.0     61.1
AVG. MINIMUM     35.6              37.4    -1.8     40.6
MEAN             47.0              48.0    -1.0     50.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.1    -0.1        0
DAYS MIN <= 32     14              10.8     3.2       12
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.90   1982
 MINIMUM         1.08   1958
TOTALS           2.41              5.61   -3.20     6.27
DAILY AVG.       0.08              0.18   -0.10     0.20
DAYS >= .01        11                MM      MM       10
DAYS >= .10         7                MM      MM        8
DAYS >= .50         2                MM      MM        4
DAYS >= 1.00        0                MM      MM        3
GREATEST
 24 HR. TOTAL    0.67   12/17 TO 12/17              1.77

SNOWFALL (INCHES)
TOTALS             MM

DEGREE_DAYS
HEATING TOTAL     556               535      21      460
 SINCE 7/1        913               937     -24      737
COOLING TOTAL       6                 6       0       28
 SINCE 1/1       2504              2231     273     2947
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    25/010    DATE  12/31
HIGHEST GUST SPEED/DIRECTION    33/030    DATE  12/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                      19     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.

$$




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