Climatological Report (Monthly)
Issued by NWS
Issued by NWS
087
CXUS53 KGRR 011525
CLMJXN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1125 AM EDT THU OCT 01 2026
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...THE JACKSON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1944 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
HIGHEST 91 09/02 MM MM 86 09/19
LOWEST 39 09/25 MM MM 35 09/08
AVG. MAXIMUM 74.0 73.6 0.4 78.4
AVG. MINIMUM 53.5 51.7 1.8 49.2
MEAN 63.8 62.6 1.2 63.8
DAYS MAX >= 90 1 0.7 0.3 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 5.31 2.98 2.33 0.39
DAILY AVG. 0.18 0.10 0.08 0.01
DAYS >= .01 10 9.5 0.5 3
DAYS >= .10 6 5.8 0.2 2
DAYS >= .50 3 2.0 1.0 0
DAYS >= 1.00 2 0.6 1.4 0
GREATEST
24 HR. TOTAL 2.77 09/03 TO 09/04
DEGREE DAYS
HEATING TOTAL 107 134 -27 73
SINCE 7/1 117 163 -46 MM
COOLING TOTAL 76 63 13 43
SINCE 1/1 627 627 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.0
RESULTANT WIND SPEED/DIRECTION 1/060
HIGHEST WIND SPEED/DIRECTION 31/330 DATE 09/04
HIGHEST GUST SPEED/DIRECTION 49/320 DATE 09/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.36
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 79
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 5
LIGHT RAIN 12 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 3
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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