Climatological Report (Monthly)
Issued by NWS
Issued by NWS
088
CXUS53 KGRR 011525
CLMLAN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1125 AM EDT THU OCT 01 2026
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...THE LANSING CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1864 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 99 09/02/1894
LOW 19 09/21/1863
HIGHEST 91 09/02 88 3 86 09/18
LOWEST 40 09/26 33 7 38 09/08
AVG. MAXIMUM 73.8 73.6 0.2 77.0
AVG. MINIMUM 54.3 51.5 2.8 52.3
MEAN 64.1 62.5 1.6 64.6
DAYS MAX >= 90 2 0.6 1.4 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.5 -0.5 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.34 1986
MINIMUM 0.00 1979
TOTALS 4.14 2.81 1.33 1.73
DAILY AVG. 0.14 0.09 0.05 0.06
DAYS >= .01 12 10.1 1.9 3
DAYS >= .10 8 5.3 2.7 3
DAYS >= .50 3 1.6 1.4 1
DAYS >= 1.00 2 0.6 1.4 1
GREATEST
24 HR. TOTAL 1.47 09/03 TO 09/04
SNOWFALL (INCHES)
RECORDS
TOTAL T 1994
SNOW DEPTH T MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
DEGREE DAYS
HEATING TOTAL 102 140 -38 56
SINCE 7/1 107 170 -63 MM
COOLING TOTAL 81 66 15 53
SINCE 1/1 755 649 106 MM
FREEZE DATES
RECORD
EARLIEST 08/03/1894
LATEST 07/15/1863
EARLIEST MM
LATEST 05/02
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WIND (MPH)
AVERAGE WIND SPEED 5.9
RESULTANT WIND SPEED/DIRECTION 2/070
HIGHEST WIND SPEED/DIRECTION 38/320 DATE 09/03
HIGHEST GUST SPEED/DIRECTION 65/340 DATE 09/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.33
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 7
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 21 FOG W/VIS <= 1/4 MILE 3
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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