Sam Rayburn Reservoir near Jasper water level

What this means

At 153.38 ft, Sam Rayburn Reservoir near Jasper is far below normal for mid-October.

The median for mid-October is 158.77 ft, based on 7 years of readings, so the lake level is 5.39 ft below typical. On the same day last year the reading was 156.13 ft, a difference of −2.75 ft.

The level is falling, down 0.05 ft over the past 24 hours. With the water still dropping, the shoreline keeps moving out. Over the past 30 days it has moved between 153.38 ft and 154.53 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

158.77 ft5.39 ft below the median for this date

Normal for this date

155.99 ft – 162.44 ft8 years in 10 fall in this range (7 years of records)

Same day last year

156.13 ft−2.75 ft

Lowest and highest in 30 days

153.38 ft – 154.53 ft

Lowest and highest in 12 months

153.42 ft – 156.92 ft

Highest on record

175.10 ftMarch 10, 1992