624
CXUS53 KMKX 011618
CLMMSN

CLIMATE REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1118 AM CDT WED OCT 01 2025

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

...THE MADISON WI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/01/1953
 LOW              25   09/22/1974
                       09/29/1949
HIGHEST           86   09/29         87      -1       89  09/15
LOWEST            41   09/08         36       5       42  09/07
AVG. MAXIMUM    76.7               72.9     3.8     79.0
AVG. MINIMUM    53.3               51.0     2.3     52.7
MEAN            65.0               62.0     3.0     65.9
DAYS MAX >= 90     0                0.6    -0.6        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       10.69   1915
 MINIMUM        0.11   1979
TOTALS          1.37               3.43   -2.06     5.16
DAILY AVG.      0.05               0.11   -0.06     0.17
DAYS >= .01        5                9.2    -4.2        6
DAYS >= .10        4                5.5    -1.5        4
DAYS >= .50        2                2.3    -0.3        2
DAYS >= 1.00       0                0.8    -0.8        1
GREATEST
 24 HR. TOTAL   0.59   09/20 TO 09/20               4.47  09/21 TO 09/22

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1942
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0      0.0
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                                   0
DAYS >= 1.0        0                0.0     0.0        0
DAYS >= 0.1        0                                   0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL     0.0                                 0.0

DEGREE DAYS
HEATING TOTAL     72                151     -79       49
 SINCE 7/1       105                180     -75       61
COOLING TOTAL     82                 59      23       83
 SINCE 1/1       727                622     105      719
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.6
HIGHEST WIND SPEED/DIRECTION    29/020    DATE  09/13
HIGHEST GUST SPEED/DIRECTION    37/030    DATE  09/13

SKY COVER
AVERAGE SKY COVER           0.44
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                2     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                      17     FOG W/VIS <= 1/4 MILE      1
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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