Water Levels and Discharges  |  Reservoirs  |  Precipitation  |  Water quality Last site revision 12.05.2026 17:10
             
Water Levels and Discharges CAUTION: All data are without validation 12.05.2026 17:14:14
 Station  Janov-Harrachov  River  Mumlava
Floods
1st level of flood emergency  1st level of flood emergency  160[cm]
2nd level of flood emergency  2nd level of flood emergency  190[cm]
3rd level of flood emergency  3rd level of flood emergency  250[cm]
State of extreme flood  3rd level of flood emergency  (!State of extreme flood) (Q50)291[cm]
Remark
low flow rates
low flow rates Q355:0,393 [m3.s-1]
QN [m3.s-1]
Q1Q2Q5Q10Q20Q50Q100
23,7035,0052,7068,0084,90110,0130,0
 Historical floods (3 highest recorded for a period of observation)
—— [m3.s-1] N ~
—— [m3.s-1] N ~
—— [m3.s-1] N ~
Graf
  H [cm]
Q [m3.s-1]
QN
12.05.2026 17:00 82 0,750
12.05.2026 16:00 82 0,750
12.05.2026 15:00 83 0,758
12.05.2026 14:00 83 0,758
12.05.2026 13:00 83 0,766
12.05.2026 12:00 83 0,774
12.05.2026 11:00 83 0,774
12.05.2026 10:00 83 0,774
12.05.2026 09:00 83 0,774
12.05.2026 08:00 83 0,782
12.05.2026 07:00 83 0,782
12.05.2026 06:00 83 0,789
12.05.2026 05:00 83 0,782
12.05.2026 04:00 83 0,789
12.05.2026 03:00 83 0,774
12.05.2026 02:00 82 0,742
12.05.2026 01:00 82 0,703
12.05.2026 00:00 82 0,687
11.05.2026 23:00 82 0,680
11.05.2026 22:00 82 0,680
11.05.2026 21:00 82 0,680
11.05.2026 20:00 82 0,680
11.05.2026 19:00 82 0,680
11.05.2026 18:00 82 0,687
11.05.2026 07:00 82 0,750
10.05.2026 07:00 84 0,844
09.05.2026 07:00 86 1,045
08.05.2026 07:00 90 1,383
07.05.2026 07:00 91 1,506
06.05.2026 07:00 84 0,907
H — water level
Q — Discharge
QN — QN
 Cross Section
Přícný profil
This information is also available through the application for mobile phones with Android OS (only in the Czech language)  Water Levels and Discharges
  Povodí Labe, státní podnik © 2026 The system uses also data from measuring stations of   Czech Hydrometeorological Institute © 2026 Application developed by   MGE Data s.r.o. © 1996 - 2020