Statistics Obernach / Ach
| Site number: |
16616002 |
| District: |
Garmisch-Partenkirchen |
| Operator: |
 Wasserwirtschaftsamt Weilheim |
| |
|
| Body of water: |
Ach |
| Catchment: |
41.40 km2 |
| River chainage: |
27.00 km |
| Gauge zero point: |
652.42 m NHN (DHHN2016) |
No hydrological yearbook available at this site.
| Statistics (1954 - 2021) |
|---|
| Winter | Summer | Year | |
| NQ | 0.07 | 0.046 | 0.046 | m3/s |
| MNQ | 0.175 | 0.154 | 0.128 | m3/s |
| MQ | 0.984 | 1.04 | 1.01 | m3/s |
| MHQ | 16.3 | 26.9 | 29.3 | m3/s |
| HQ | 59 | 85.5 | 85.5 | m3/s |
| Flood frequency (HQT) |
|---|
| HQ1 | 25 m3/s |
| HQ2 | 32 m3/s |
| HQ5 | 38 m3/s |
| HQ10 | 45 m3/s |
| HQ20 | 52 m3/s |
| HQ50 | 63 m3/s |
| HQ100 | 70 m3/s |
| Extreme values flood (1954 - 2021)* |
|---|
| * mit historischen Werten, falls vorhanden |
| 1. | 85.5 m3/s | 21.05.1999 |
| 2. | 62.9 m3/s | 31.07.1990 |
| 3. | 59 m3/s | 03.02.1970 |
| 4. | 54.4 m3/s | 31.07.1990 |
| 5. | 54.3 m3/s | 15.01.1968 |
| Extreme values low water |
|---|
| 1. | 0.046 m3/s | 2015 |
| 2. | 0.054 m3/s | 2003 |
| 3. | 0.063 m3/s | 2009 |
| 4. | 0.064 m3/s | 1991 |
| 5. | 0.066 m3/s | 2006 |
