609
CXUS53 KGRB 010654
CLMGRB

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREEN BAY
154 AM CDT WED OCT 01 2025

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

...THE GREEN BAY WI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             97   09/10/1931
 LOW              24   09/29/1949
HIGHEST           86   09/17         86       0       89  09/16
LOWEST            38   09/08         33       5       44  09/07
AVG. MAXIMUM    74.2               71.7     2.5     79.1
AVG. MINIMUM    50.7               50.2     0.5     52.6
MEAN            62.4               61.0     1.4     65.8
DAYS MAX >= 90     0                0.3    -0.3        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.6    -0.6        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.37   2019
 MINIMUM        0.28   1976
TOTALS          1.77               3.20   -1.43     0.84
DAYS >= .01        9                9.7    -0.7        6
DAYS >= .10        6                5.9     0.1        3
DAYS >= .50        1                2.1    -1.1        0
DAYS >= 1.00       0                0.8    -0.8        0
GREATEST
 24 HR. TOTAL   0.54   09/20 TO 09/20

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1999
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL    101                168     -67       45
 SINCE 7/1       159                210     -51       MM
COOLING TOTAL     34                 47     -13       76
 SINCE 1/1       533                504      29       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
HIGHEST WIND SPEED/DIRECTION    24/250    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    36/280    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.42
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       3
LIGHT RAIN                9     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     10
HAZE                      0

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

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