


Climatological Report (Monthly)
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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%