Chart of total period Grafrath / Amper

• HQ1 54 m³/s
• HQ2 62 m³/s
• HQ5 72 m³/s
• HQ10 86 m³/s
• HQ20 102 m³/s
• HQ50 125 m³/s
• HQ100 145 m³/s

Discharge from 01.11.1963 to 16.06.2025

Date	Mean value [m³/s]	Maximum [m³/s]	Minimum [m³/s]
16.06.2025	13.2	15.1	10.4
15.06.2025	13.7	14.5	13.2
14.06.2025	14	14.2	13.8
13.06.2025	14.4	14.8	13.8
12.06.2025	14.9	15.1	14.5
11.06.2025	15.8	16.4	15.1
10.06.2025	17	17.7	16
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