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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
820 PM EST FRI JAN 3 2014

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

...THE JACKSON MI CLIMATE SUMMARY FOR THE YEAR OF 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)
RECORD
 HIGH              MM   MM
 LOW               -7   01/22/2013
HIGHEST            94   07/19        MM      MM      101  07/06
                                                          07/04
LOWEST             -7R  01/22        MM      MM       -1  01/20
AVG. MAXIMUM     56.9              58.0    -1.1     62.2
AVG. MINIMUM     38.2              38.7    -0.5     41.1
MEAN             47.5              48.4    -0.9     51.6
DAYS MAX >= 90      6               6.6    -0.6       31
DAYS MAX <= 32     61              48.2    12.8       25
DAYS MIN <= 32    149             135.7    13.3      128
DAYS MIN <= 0       4               6.6    -2.6        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS          32.92             31.50    1.42    25.25
DAILY AVG.       0.09              0.09    0.00     0.07
DAYS >= .01       150             129.3    20.7      131
DAYS >= .10        71              68.8     2.2       65
DAYS >= .50        25              20.0     5.0       14
DAYS >= 1.00        5               5.7    -0.7        3
GREATEST
 24 HR. TOTAL    2.09   MM                       12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                               1.16
 (MM/DD(HH))            MM                    12/31(00) TO 12/31(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

DEGREE_DAYS
HEATING TOTAL    6851              6657     194     5695
 SINCE 7/1       2680              2548     132     2390
COOLING TOTAL     616               593      23      873
 SINCE 1/1        616               592      24      873

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
..................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   2/227
HIGHEST WIND SPEED/DIRECTION    37/240    DATE  11/17
HIGHEST GUST SPEED/DIRECTION    55/330    DATE  07/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               31     RAIN                      41
LIGHT RAIN              111     FREEZING RAIN              4
LT FREEZING RAIN          8     HAIL                       0
HEAVY SNOW                8     SNOW                      17
LIGHT SNOW               79     SLEET                      0
FOG                     192     FOG W/VIS <= 1/4 MILE     29
HAZE                     58

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

$$

JAM







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