Bielersee - Ligerz, Klein Twann 2208

Discharge and Water level

Danger levels

Water level m a.s.l.
  1. 5 > 430.6
  2. 4 430.35 - 430.6
  3. 3 430.05 - 430.35
  4. 2 429.8 - 430.05
  5. 1 < 429.8
The 5 flood danger levels and recommended behaviour

Graphs

Regarding alerts, the statements as interpreted in the natural hazard bulletin on http://www.naturgefahren.ch are authoritative. The hydrological forecasts shown are direct model outputs. Explanatory notes on forecast plots

Data and statistics

Key figures Water level

Period 1981 - 2023

Annual mean

Highest
429.33 m a.s.l. 1987
Lowest
429.16 m a.s.l. 2011
Mean
429.25 m a.s.l. Total period

Annual tables

Station information

Station altitude
434 m a.s.l.
Catchment size
8236 km2
Mean catchment altitude
1143 m a.s.l.
Glacial area
2.100%
Station coordinates
2'578'320 / 1'215'670

Data availability

Water level
1889 - today