Climatological Report (Monthly)
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088
CXUS53 KGRR 011525
CLMLAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1125 AM EDT THU OCT 01 2026

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

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

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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