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 (HQ_T)
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
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

Explanations

Statistics

HQ highest value of total period

MHQ arithmetic mean of the highest values of a period (year, summer or winter)

MQ arithmetic mean

MNQ arithmetic mean of the lowest values of a period (year, summer or winter)

NQ lowest value of total period