Climatological Report (Monthly)
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CXUS53 KGRR 011723
CLMJXN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
113 PM EDT WED MAY 1 2013

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            75   04/18        MM      MM       75  04/15
LOWEST             19   04/02        MM      MM       26  04/29
AVG. MAXIMUM     54.8              58.7    -3.9     59.1
AVG. MINIMUM     34.5              36.9    -2.4     35.8
MEAN             44.7              47.8    -3.1     47.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.3    -0.3        0
DAYS MIN <= 32     12               9.7     2.3        9
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS           6.16              2.61    3.55     2.83
DAILY AVG.       0.21              0.09    0.12     0.09
DAYS >= .01        20              11.8     8.2       12
DAYS >= .10        11               6.6     4.4        5
DAYS >= .50         6               1.5     4.5        2
DAYS >= 1.00        2               0.3     1.7        1
GREATEST
 24 HR. TOTAL    1.43   04/17 TO 04/18           04/15 TO 04/16
                                                          04/27 TO 04/27
                                                          04/27 TO 04/27

DEGREE_DAYS
HEATING TOTAL     602               522      80      520
 SINCE 7/1       6335              6346     -11     5363
COOLING TOTAL       0                 6      -6        1
 SINCE 1/1          0                 6      -6       16
........................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
RESULTANT WIND SPEED/DIRECTION   3/195
HIGHEST WIND SPEED/DIRECTION    31/280    DATE  04/18
HIGHEST GUST SPEED/DIRECTION    44/220    DATE  04/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      10
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      2
HAZE                      7

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

$$

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