Climatological Report (Seasonal)
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CXUS53 KGRR 022043
CLSJXN

WRKCLMJXN 000
TTAA00 KGRR 021956


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
249 PM EST SAT MAR 2 2013

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

...THE JACKSON MI CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2012 TO 2/28/2013...

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               MM   MM
HIGHEST            63   12/04        MM      MM       56  12/15
                        12/03
LOWEST             -7   01/22        MM      MM       -1  01/20
AVG. MAXIMUM     35.9              33.2     2.7     37.6
AVG. MINIMUM     20.9              18.7     2.2     23.8
MEAN             28.4              26.0     2.4     30.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     35              42.2    -7.2       22
DAYS MIN <= 32     78              80.1    -2.1       81
DAYS MIN <= 0       3               6.5    -3.5        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           6.30              4.65    1.65     5.54
DAILY AVG.       0.07              0.05    0.02     0.06
DAYS >= .01        43              34.8     8.2       37
DAYS >= .10        19              12.9     6.1       17
DAYS >= .50         5               1.8     3.2        3
DAYS >= 1.00        0               0.2    -0.2        0
GREATEST
 24 HR. TOTAL    1.26   MM                       12/14 TO 12/15
                                                          12/15 TO 12/15
                                                          12/15 TO 12/15
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/15(00) TO 12/15(00)
                                                 12/15(00) TO 12/15(00)5
                                                 12/15(00) TO 12/15(00)5

DEGREE_DAYS
HEATING TOTAL    3260              3510    -250     3101
 SINCE 7/1       4698              4914    -216     4349
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

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

WIND (MPH)
AVERAGE WIND SPEED              8.3
RESULTANT WIND SPEED/DIRECTION   3/238
HIGHEST WIND SPEED/DIRECTION    35/250    DATE  02/11
HIGHEST GUST SPEED/DIRECTION    53/280    DATE  01/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       8
LIGHT RAIN               20     FREEZING RAIN              2
LT FREEZING RAIN          5     HAIL                       0
HEAVY SNOW                6     SNOW                      14
LIGHT SNOW               42     SLEET                      0
FOG                      62     FOG W/VIS <= 1/4 MILE     15
HAZE                     34

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

$$

JAM
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