Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KGRR 030030
CLSJXN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
830 PM EDT SAT SEP 2 2017

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

...THE JACKSON MI CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2017 TO 8/31/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1944 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            90   06/13        MM      MM       93  08/12
                        06/12
LOWEST             41   08/25        MM      MM       43  06/09
AVG. MAXIMUM     80.6              80.3     0.3     82.6
AVG. MINIMUM     58.3              58.4    -0.1     60.7
MEAN             69.4              69.4     0.0     71.7
DAYS MAX >= 90      2               6.2    -4.2        9
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS           5.09             10.32   -5.23    16.81
DAILY AVG.       0.06              0.11   -0.05     0.18
DAYS >= .01        25              29.1    -4.1       23
DAYS >= .10        14              19.2    -5.2       20
DAYS >= .50         3               7.7    -4.7        7
DAYS >= 1.00        1               2.7    -1.7        4
GREATEST
 24 HR. TOTAL    1.07   07/10 TO 07/10
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL      58                89     -31       34
 SINCE 7/1         27                35      -8        4
COOLING TOTAL     491               493      -2      675
 SINCE 1/1        527               529      -2      728

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

WIND (MPH)
AVERAGE WIND SPEED              6.8
RESULTANT WIND SPEED/DIRECTION   3/246
HIGHEST WIND SPEED/DIRECTION    32/320    DATE  07/07
HIGHEST GUST SPEED/DIRECTION    46/320    DATE  07/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           61
NUMBER OF DAYS PC             28
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             16     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       9
LIGHT RAIN               41     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      4
HAZE                      6

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

$$



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