Lake J.B. Thomas Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lake J.B. Thomas water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lake J.B. Thomas been doing?
Across the available 30-day series, Lake J.B. Thomas is falling overall. The measured range runs from 2,225.77 ft to 2,226.8 ft, with a net change of -1.01 ft.
Lake levels can respond to rainfall, watershed inflow, dam and hydropower operations, seasonal target elevations, evaporation and downstream release requirements. This page reports what the matched sensor measured; it does not infer why an operator changed a reservoir.
Recent daily levels
| Date | Low | Average | High |
|---|---|---|---|
| Oct 7 | 2225.77 ft | 2225.78 ft | 2225.78 ft |
| Oct 6 | 2225.78 ft | 2225.80 ft | 2225.81 ft |
| Oct 5 | 2225.80 ft | 2225.82 ft | 2225.83 ft |
| Oct 4 | 2225.83 ft | 2225.85 ft | 2225.87 ft |
| Oct 3 | 2225.87 ft | 2225.89 ft | 2225.90 ft |
| Oct 2 | 2225.90 ft | 2225.92 ft | 2225.95 ft |
| Oct 1 | 2225.95 ft | 2225.98 ft | 2226.00 ft |
| Sep 30 | 2225.98 ft | 2226.01 ft | 2226.04 ft |
| Sep 29 | 2226.03 ft | 2226.05 ft | 2226.08 ft |
| Sep 28 | 2226.06 ft | 2226.09 ft | 2226.11 ft |
| Sep 27 | 2226.10 ft | 2226.12 ft | 2226.14 ft |
| Sep 26 | 2226.12 ft | 2226.15 ft | 2226.17 ft |
| Sep 25 | 2226.16 ft | 2226.18 ft | 2226.20 ft |
| Sep 24 | 2226.19 ft | 2226.22 ft | 2226.23 ft |
| Sep 23 | 2226.23 ft | 2226.25 ft | 2226.27 ft |
| Sep 22 | 2226.26 ft | 2226.28 ft | 2226.30 ft |
| Sep 21 | 2226.29 ft | 2226.32 ft | 2226.34 ft |
| Sep 20 | 2226.33 ft | 2226.36 ft | 2226.38 ft |
| Sep 19 | 2226.35 ft | 2226.37 ft | 2226.39 ft |
| Sep 18 | 2226.38 ft | 2226.41 ft | 2226.42 ft |
| Sep 17 | 2226.42 ft | 2226.45 ft | 2226.47 ft |
| Sep 16 | 2226.46 ft | 2226.49 ft | 2226.53 ft |
| Sep 15 | 2226.51 ft | 2226.53 ft | 2226.55 ft |
| Sep 14 | 2226.55 ft | 2226.58 ft | 2226.60 ft |
| Sep 13 | 2226.60 ft | 2226.62 ft | 2226.64 ft |
| Sep 12 | 2226.64 ft | 2226.67 ft | 2226.69 ft |
| Sep 11 | 2226.65 ft | 2226.70 ft | 2226.73 ft |
| Sep 10 | 2226.65 ft | 2226.67 ft | 2226.69 ft |
| Sep 9 | 2226.69 ft | 2226.71 ft | 2226.73 ft |
| Sep 8 | 2226.73 ft | 2226.75 ft | 2226.77 ft |
Lake J.B. Thomas level-history FAQ
How has Lake J.B. Thomas water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -1.01 ft and the overall direction is falling.
What was the highest Lake J.B. Thomas level in the last 30 days?
The highest reading in the available 30-day series is 2,226.8 ft.
What was the lowest Lake J.B. Thomas level in the last 30 days?
The lowest reading in the available 30-day series is 2,225.77 ft.
Are historical USGS lake readings final?
Not always. Recent readings may be marked provisional and can be revised by the source agency after quality review.