Climatological Report (Monthly)
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503
CXUS53 KGRR 011903
CLMJXN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
249 PM EDT MON OCT 1 2018

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

...THE JACKSON MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2018...

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   09/05        MM      MM       93  09/23
                        09/04                             09/21
LOWEST             39   09/29        MM      MM       40  09/10
                                                          09/09
                                                          09/06
AVG. MAXIMUM     76.1              72.7     3.4     77.3
AVG. MINIMUM     56.2              50.9     5.3     52.4
MEAN             66.1              61.8     4.3     64.9
DAYS MAX >= 90      2               0.4     1.6        6
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.2    -0.2        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS           4.79              3.48    1.31     0.73
DAILY AVG.       0.16              0.12    0.04     0.03
DAYS >= .01        15               9.6     5.4        5
DAYS >= .10         4               6.4    -2.4        1
DAYS >= .50         1               2.5    -1.5        1
DAYS >= 1.00        1               0.8     0.2        0
GREATEST
 24 HR. TOTAL    3.04   09/01 TO 09/01

DEGREE_DAYS
HEATING TOTAL     101               153     -52      109
 SINCE 7/1        101               188     -87      136
COOLING TOTAL     143                57      86      113
 SINCE 1/1        910               586     324      640
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   1/125
HIGHEST WIND SPEED/DIRECTION    35/220    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    44/210    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP                0
HEAVY RAIN                4     RAIN                        5
LIGHT RAIN               13     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                      23     FOG W/VIS <= 1/4 MILE      10
HAZE                      4

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

$$




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