625
CXUS53 KMKX 011618
CLMMKE

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

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

...THE MILWAUKEE  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   09/15/1939
 LOW              28   09/23/1974
                       09/28/1942
HIGHEST           85   09/27         88      -3       87  09/20
LOWEST            46   09/04         40       6       48  09/07
AVG. MAXIMUM    73.3               73.5    -0.2     77.1
AVG. MINIMUM    57.0               56.4     0.6     58.9
MEAN            65.1               65.0     0.1     68.0
DAYS MAX >= 90     0                0.7    -0.7        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.87   1941
 MINIMUM        0.02   1979
TOTALS          1.61               3.16   -1.55     1.83
DAILY AVG.      0.05               0.11   -0.06     0.06
DAYS >= .01        6                8.6    -2.6        5
DAYS >= .10        3                5.4    -2.4        2
DAYS >= .50        2                2.2    -0.2        2
DAYS >= 1.00       0                0.9    -0.9        0
GREATEST
 24 HR. TOTAL   0.82   09/22 TO 09/22               1.01  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     49                 94     -45       21
 SINCE 7/1        68                110     -42       28
COOLING TOTAL     60                 93     -33      118
 SINCE 1/1       702                769     -67      802
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
HIGHEST WIND SPEED/DIRECTION    28/300    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    40/300    DATE  09/05

SKY COVER
AVERAGE SKY COVER           0.44
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     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.

$$

2%