Climatological Report (Monthly)
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313
CXUS53 KGRR 020840
CLMJXN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
440 AM EDT THU OCT 02 2025

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

...THE JACKSON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1944 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           86   09/19         MM      MM       87  09/15
LOWEST            35   09/08         MM      MM       39  09/08
AVG. MAXIMUM    78.4               73.6     4.8     77.5
AVG. MINIMUM    49.2               51.7    -2.5     52.6
MEAN            63.8               62.6     1.2     65.0
DAYS MAX >= 90     0                0.7    -0.7        0
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          0.39R              2.98   -2.59     0.74
DAILY AVG.      0.01               0.10   -0.09     0.02
DAYS >= .01        3                9.5    -6.5        7
DAYS >= .10        2                5.8    -3.8        3
DAYS >= .50        0                2.0    -2.0        0
DAYS >= 1.00       0                0.6    -0.6        0
GREATEST
 24 HR. TOTAL   0.36   09/21 TO 09/22


DEGREE DAYS
HEATING TOTAL     73                134     -61       50
 SINCE 7/1       122                163     -41       MM
COOLING TOTAL     43                 63     -20       60
 SINCE 1/1       660                627      33       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.1
RESULTANT WIND SPEED/DIRECTION   1/170
HIGHEST WIND SPEED/DIRECTION    29/230    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    47/210    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.22
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      25     FOG W/VIS <= 1/4 MILE      7
HAZE                      1

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

$$