Climatological Report (Seasonal)
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CXUS53 KGRR 012004
CLSJXN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
349 PM EDT THU JUN 1 2017

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

...THE JACKSON MI CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2017 TO 5/31/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1944 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            87   05/18        MM      MM       85  05/29
                                                          05/28
LOWEST             11   03/15        MM      MM       12  03/03
AVG. MAXIMUM     58.2              57.7     0.5     59.2
AVG. MINIMUM     39.1              36.4     2.7     38.4
MEAN             48.6              47.1     1.5     48.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      7               4.2     2.8        4
DAYS MIN <= 32     23              33.5   -10.5       28
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
TOTALS          13.03              7.82    5.21       MM
DAILY AVG.       0.14              0.09    0.05       MM
DAYS >= .01        42              33.9     8.1       40
DAYS >= .10        28              18.4     9.6       20
DAYS >= .50        10               4.7     5.3        2
DAYS >= 1.00        1               1.2    -0.2        0
GREATEST
 24 HR. TOTAL    1.34   04/05 TO 04/06
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1520              1688    -168     1518
 SINCE 7/1       5528              6602   -1074     5640
COOLING TOTAL      36                37      -1       53
 SINCE 1/1         36                37      -1       53

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

WIND (MPH)
AVERAGE WIND SPEED              10.2
RESULTANT WIND SPEED/DIRECTION   2/251
HIGHEST WIND SPEED/DIRECTION    43/250    DATE  03/08
HIGHEST GUST SPEED/DIRECTION    62/240    DATE  03/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           39
NUMBER OF DAYS PC             25
NUMBER OF DAYS CLOUDY         28

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             18     MIXED PRECIP               0
HEAVY RAIN               14     RAIN                      26
LIGHT RAIN               49     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW               13     SLEET                      0
FOG                      39     FOG W/VIS <= 1/4 MILE      5
HAZE                     13

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

$$


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