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
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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%
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