Povodí Labe - Water Levels and Discharges

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Water Levels and Discharges CAUTION: All data are without validation 12.09.2026 21:30:35

Station Rychnov nad Kněžnou River Kněžná
Floods
1st level of flood emergency					100[cm]
2nd level of flood emergency					130[cm]
3rd level of flood emergency					160[cm]
3rd level of flood emergency (State of extreme flood) (Q50)					311[cm]
Remark
low flow rates
Q355:					0.044 [m³.s^-1]
QN [m³.s^-1]
Q1	Q2	Q5	Q10	Q20	Q50	Q100
9.210	14.60	23.80	32.20	41.90	56.90	69.80
Historical floods (3 highest recorded for a period of observation)
08.07.1997	27.50 [m³.s^-1]		N ~5-10
22.07.2011	25.00 [m³.s^-1]		N ~5
31.03.2006	23.00 [m³.s^-1]		N ~5

H — water level
Q — Discharge
Q_N — QN

Cross Section

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