Statistics Aha / Altmühl
| Site number: | 13405408 |
| District: | Weißenburg-Gunzenhausen |
| Operator: |  Wasserwirtschaftsamt Ansbach |
| Body of water: | Altmühl |
| Catchment: | 688.00 km2 |
| River chainage: | 152.05 km |
| Gauge zero point: | 409.50 m NN (DHHN12) |
No hydrological yearbook available at this site.
| Statistics (1976 - 2020) | ||||
|---|---|---|---|---|
| Winter | Summer | Year | ||
| NQ | 0.448 | 0.226 | 0.226 | m3/s |
| MNQ | 1.28 | 0.684 | 0.677 | m3/s |
| MQ | 5.94 | 2.15 | 4.03 | m3/s |
| MHQ | 38.7 | 12.9 | 40.5 | m3/s |
| HQ | 147 | 57.5 | 147 | m3/s |
| Flood frequency (HQT) | |
|---|---|
| HQ1 | 41 m3/s |
| HQ2 | 57 m3/s |
| HQ5 | 75 m3/s |
| HQ10 | 98 m3/s |
| HQ20 | 120 m3/s |
| HQ50 | 150 m3/s |
| HQ100 | 180 m3/s |
| Extreme values flood (1976 - 2020)* | ||
|---|---|---|
| * mit historischen Werten, falls vorhanden | ||
| 1. | 147 m3/s | 17.03.1988 |
| 2. | 123 m3/s | 14.04.1994 |
| 3. | 115 m3/s | 21.12.1993 |
| 4. | 97.6 m3/s | 03.03.1987 |
| 5. | 73.4 m3/s | 01.02.1982 |
| Extreme values low water | ||
|---|---|---|
| 1. | 0.226 m3/s | 1982 |
| 2. | 0.244 m3/s | 2003 |
| 3. | 0.26 m3/s | 1976 |
| 4. | 0.308 m3/s | 2012 |
| 5. | 0.321 m3/s | 2018 |
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