Water Levels and Discharges  |  Reservoirs  |  Precipitation  |  Water quality Last site revision 25.07.2026 07:22
             
Water Levels and Discharges CAUTION: All data are without validation 25.07.2026 07:24:06
 Station  Slaná  River  Oleška - Semily
Floods
1st level of flood emergency  1st level of flood emergency  —[cm]
2nd level of flood emergency  2nd level of flood emergency  —[cm]
3rd level of flood emergency  3rd level of flood emergency  —[cm]
State of extreme flood  3rd level of flood emergency  (!State of extreme flood) (Q50)—[cm]
Remark
low flow rates
low flow rates Q355:0.243 [m3.s-1]
QN [m3.s-1]
Q1Q2Q5Q10Q20Q50Q100
24.3036.1054.7071.0089.00115.0138.0
 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
25.07.2026 01:00 30
25.07.2026 00:00 30 0.295
24.07.2026 23:00 30 0.300
24.07.2026 22:00 30 0.295
24.07.2026 21:00 30 0.300
24.07.2026 20:00 30 0.300
24.07.2026 19:00 30 0.300
24.07.2026 18:00 30 0.304
24.07.2026 17:00 30 0.304
24.07.2026 16:00 31 0.313
24.07.2026 15:00 31 0.322
24.07.2026 14:00 31 0.326
24.07.2026 13:00 31 0.322
24.07.2026 12:00 31 0.317
24.07.2026 11:00 31 0.317
24.07.2026 10:00 30 0.309
24.07.2026 09:00 30 0.309
24.07.2026 08:00 31 0.313
24.07.2026 07:00 31 0.313
23.07.2026 07:00 29 0.277
22.07.2026 07:00 30 0.283
21.07.2026 07:00 30 0.289
20.07.2026 07:00 32 0.357
19.07.2026 07:00 30 0.309
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