Illinois River at Marseilles water level

What this means

The gauge at Illinois River at Marseilles shows 12.47 ft, above normal for mid-October.

The median for mid-October is 10.92 ft, based on 32 years of readings, so the river stage is 1.55 ft above typical. On the same day last year the reading was 11.23 ft, a difference of +1.24 ft.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 11.24 ft and 15.11 ft.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 32 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

10.92 ft1.55 ft above the median for this date

Normal for this date

1.17 ft – 12.98 ft8 years in 10 fall in this range (32 years of records)

Same day last year

11.23 ft+1.24 ft

Lowest and highest in 30 days

11.24 ft – 15.11 ft

Lowest and highest in 12 months

10.99 ft – 18.81 ft

Highest on record

35.40 ftJanuary 21, 1916