Rio Grande De Anasco near San Sebastian water level

What this means

Low water at Rio Grande De Anasco near San Sebastian: the gauge reads 2.61 ft, below normal for late October.

That puts it 0.57 ft below the median of 3.18 ft for late October, based on 37 years of readings. It is 9.89 ft below the flood stage of 12.50 ft. A year ago it stood at 3.33 ft (−0.72 ft).

It is still going down, by 0.44 ft over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 2.31 ft – 6.57 ft.

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

Compared with 37 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

3.18 ft0.57 ft below the median for this date

Normal for this date

2.18 ft – 4.59 ft8 years in 10 fall in this range (37 years of records)

Same day last year

3.33 ft−0.72 ft

Lowest and highest in 30 days

2.31 ft – 6.57 ft

Lowest and highest in 12 months

2.04 ft – 4.94 ft

Highest on record

35.84 ftSeptember 20, 2017