Climatological Report (Monthly)
Issued by NWS Jackson, MS

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CXUS54 KJAN 010748
CLMHBG


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

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

...THE HATTIESBURG 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  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              84   12/02/2007
                        12/07/1951
 LOW                4   12/23/1989
HIGHEST            80   12/05        MM      MM       82  12/27
LOWEST             25   12/09        MM      MM       25  12/10
AVG. MAXIMUM     59.0              61.8    -2.8     65.4
AVG. MINIMUM     39.5              39.6    -0.1     44.7
MEAN             49.3              50.7    -1.4     55.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32     10               8.3     1.7        7
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.34   2009
 MINIMUM         1.32   2010
TOTALS           4.72              4.91   -0.19     7.06
DAILY AVG.       0.15              0.16   -0.01     0.23
DAYS >= .01        13                MM      MM        9
DAYS >= .10        10                MM      MM        8
DAYS >= .50         2                MM      MM        4
DAYS >= 1.00        1                MM      MM        2
GREATEST
 24 HR. TOTAL    1.11   12/17 TO 12/17              2.30

SNOWFALL (INCHES)
TOTALS            4.1
SINCE 7/1         4.1
DAYS >= TRACE       2
DAYS >= 1.0         1
GREATEST
 24 HR TOTAL      4.1   12/08 TO 12/08

DEGREE_DAYS
HEATING TOTAL     486               457      29      338
 SINCE 7/1        791               785       6      534
COOLING TOTAL       5                13      -8       39
 SINCE 1/1       2549              2403     146     2849
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.5
HIGHEST WIND SPEED/DIRECTION    25/290    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    31/280    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      12
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE     11
HAZE                      0

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

$$




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