Climatological Report (Monthly)
Issued by NWS Jackson, MS

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CXUS54 KJAN 020002
CLMJAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSON MS
656 PM CDT WED MAY 1 2013

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

...THE JACKSON CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              94   04/21/1987
                        04/29/1899
 LOW               27   04/04/1987
HIGHEST            87   04/17        87       0       87  04/30
                        04/09
LOWEST             38   04/20        35       3       40  04/24
AVG. MAXIMUM     75.7              75.9    -0.2     78.5
AVG. MINIMUM     52.1              52.2    -0.1     55.0
MEAN             63.9              64.1    -0.2     66.7
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.2    -0.2        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.95   1991
 MINIMUM         0.55   1903
TOTALS           4.74              4.96   -0.22     4.57
DAILY AVG.       0.16              0.17   -0.01     0.15
DAYS >= .01         9               7.9     1.1        8
DAYS >= .10         7               5.5     1.5        6
DAYS >= .50         4               2.9     1.1        3
DAYS >= 1.00        1               1.7    -0.7        1
GREATEST
 24 HR. TOTAL    1.12   04/14 TO 04/14              2.33

SNOWFALL (INCHES)
RECORDS
TOTALS            0.0                 T     0.0      0.0
SINCE 7/1         1.7               0.8     0.9        T
DAYS >= TRACE       0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 24 HR TOTAL      0.0   04/30 TO 04/30

DEGREE_DAYS
HEATING TOTAL     114               109       5       48
 SINCE 7/1       2257              2379    -122     1687
COOLING TOTAL      91                81      10      108
 SINCE 1/1        108               118     -10      251
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    30/110    DATE  04/14
HIGHEST GUST SPEED/DIRECTION    37/120    DATE  04/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

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

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