Tioga Lake Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Tioga Lake water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Tioga Lake been doing?
Across the available 30-day series, Tioga Lake is rising overall. The measured range runs from 1,081.25 ft to 1,081.89 ft, with a net change of +0.32 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 | 1081.56 ft | 1081.58 ft | 1081.60 ft |
| Oct 6 | 1081.54 ft | 1081.57 ft | 1081.58 ft |
| Oct 5 | 1081.49 ft | 1081.54 ft | 1081.59 ft |
| Oct 4 | 1081.47 ft | 1081.51 ft | 1081.53 ft |
| Oct 3 | 1081.42 ft | 1081.45 ft | 1081.47 ft |
| Oct 2 | 1081.35 ft | 1081.39 ft | 1081.42 ft |
| Oct 1 | 1081.41 ft | 1081.50 ft | 1081.54 ft |
| Sep 30 | 1081.52 ft | 1081.53 ft | 1081.53 ft |
| Sep 29 | 1081.49 ft | 1081.51 ft | 1081.52 ft |
| Sep 28 | 1081.43 ft | 1081.46 ft | 1081.48 ft |
| Sep 27 | 1081.37 ft | 1081.40 ft | 1081.43 ft |
| Sep 26 | 1081.37 ft | 1081.40 ft | 1081.45 ft |
| Sep 25 | 1081.45 ft | 1081.52 ft | 1081.56 ft |
| Sep 24 | 1081.53 ft | 1081.54 ft | 1081.56 ft |
| Sep 23 | 1081.46 ft | 1081.50 ft | 1081.53 ft |
| Sep 22 | 1081.36 ft | 1081.42 ft | 1081.46 ft |
| Sep 21 | 1081.28 ft | 1081.32 ft | 1081.36 ft |
| Sep 20 | 1081.25 ft | 1081.30 ft | 1081.43 ft |
| Sep 19 | 1081.43 ft | 1081.55 ft | 1081.59 ft |
| Sep 18 | 1081.49 ft | 1081.55 ft | 1081.58 ft |
| Sep 17 | 1081.40 ft | 1081.43 ft | 1081.49 ft |
| Sep 16 | 1081.43 ft | 1081.48 ft | 1081.54 ft |
| Sep 15 | 1081.51 ft | 1081.59 ft | 1081.73 ft |
| Sep 14 | 1081.73 ft | 1081.82 ft | 1081.89 ft |
| Sep 13 | 1081.43 ft | 1081.57 ft | 1081.75 ft |
| Sep 12 | 1081.34 ft | 1081.38 ft | 1081.45 ft |
| Sep 11 | 1081.45 ft | 1081.60 ft | 1081.68 ft |
| Sep 10 | 1081.42 ft | 1081.64 ft | 1081.74 ft |
| Sep 9 | 1081.26 ft | 1081.28 ft | 1081.41 ft |
| Sep 8 | 1081.26 ft | 1081.27 ft | 1081.28 ft |
Tioga Lake level-history FAQ
How has Tioga Lake water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is +0.32 ft and the overall direction is rising.
What was the highest Tioga Lake level in the last 30 days?
The highest reading in the available 30-day series is 1,081.89 ft.
What was the lowest Tioga Lake level in the last 30 days?
The lowest reading in the available 30-day series is 1,081.25 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.