South Fork Sangamon River below Rochester water level

What this means

The South Fork Sangamon River below Rochester is at 4.33 ft, in the normal range for mid-October.

The median for mid-October is 4.29 ft, based on 32 years of readings, so the river stage is 0.04 ft above typical. On the same day last year the reading was 3.86 ft, a difference of +0.47 ft.

It has barely moved over the past 24 hours. In the last month it has stayed between 4.12 ft and 4.39 ft.

Fall is often low-water season on rivers, until steadier rain returns.

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

Key numbers

Median for this date

4.29 ft0.04 ft above the median for this date

Normal for this date

3.64 ft – 10.78 ft8 years in 10 fall in this range (32 years of records)

Same day last year

3.86 ft+0.47 ft

Lowest and highest in 30 days

4.12 ft – 4.39 ft

Lowest and highest in 12 months

3.85 ft – 21.90 ft

Highest on record

35.17 ftDecember 30, 2015