West Branch Du Page River near Naperville water level

What this means

The West Branch Du Page River near Naperville is running below normal at 4.45 ft.

That puts it 0.46 ft below the median of 4.91 ft for mid-October, based on 33 years of readings. A year ago it stood at 4.65 ft (−0.20 ft).

It has dropped 0.13 ft over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. In the last month it has stayed between 4.32 ft and 7.08 ft.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

Compared with 33 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

4.91 ft0.46 ft below the median for this date

Normal for this date

4.05 ft – 5.95 ft8 years in 10 fall in this range (33 years of records)

Same day last year

4.65 ft−0.20 ft

Lowest and highest in 30 days

4.32 ft – 7.08 ft

Lowest and highest in 12 months

3.93 ft – 8.26 ft

Highest on record

14.31 ftJuly 18, 1996