| River |
Oleška |
| Gauge |
Slaná |
| Basin number |
1-05-01 |
| Municipality |
Semily |
| Gauge operator |
ČHMÚ Praha |
|
| Flood warning limits |
| 1. Level |
H = not specified |
 |
Flood watch |
| 2. Level |
H = not specified |
 |
Flood warning |
| 3. Level |
H = not specified |
 |
Flooding |
| 3. Level |
H = 301 [cm] |
 |
Extreme flooding |
| Drought |
H = 28 [cm] |
 |
Drought |
|
|
|
| |
|
| Date and time |
Stage [cm] |
Flow [m3s-1] |
Temperature [°C] |
| 23.02.2026 21:40 |
130 |
15.2 |
3.5 |
| 23.02.2026 21:30 |
131 |
15.4 |
3.4 |
| 23.02.2026 21:20 |
130 |
15.2 |
3.4 |
| 23.02.2026 21:10 |
129 |
15 |
3.4 |
| 23.02.2026 21:00 |
130 |
15.2 |
3.4 |
| 23.02.2026 20:50 |
131 |
15.4 |
3.4 |
| 23.02.2026 20:40 |
132 |
15.7 |
3.4 |
| 23.02.2026 20:00 |
134 |
16.1 |
3.4 |
| 23.02.2026 19:00 |
137 |
16.9 |
3.3 |
| 23.02.2026 18:00 |
140 |
17.6 |
3.2 |
| 23.02.2026 17:00 |
142 |
18.1 |
3.1 |
| 23.02.2026 16:00 |
142 |
18.1 |
3 |
| 23.02.2026 15:00 |
143 |
18.3 |
2.9 |
| 23.02.2026 14:00 |
142 |
18.1 |
2.7 |
| 23.02.2026 13:00 |
144 |
18.6 |
2.6 |
| 23.02.2026 12:00 |
145 |
18.8 |
2.5 |
| 23.02.2026 11:00 |
146 |
19.1 |
2.4 |
| 23.02.2026 10:00 |
147 |
19.3 |
2.4 |
| 23.02.2026 09:00 |
147 |
19.3 |
2.4 |
| 23.02.2026 08:00 |
151 |
20.3 |
2.4 |
| 23.02.2026 07:00 |
154 |
21.1 |
2.4 |
| 23.02.2026 06:00 |
151 |
20.3 |
2.4 |
| 23.02.2026 05:00 |
149 |
19.8 |
2.5 |
| 23.02.2026 04:00 |
149 |
19.8 |
2.6 |
| 23.02.2026 03:00 |
145 |
18.8 |
2.7 |
| 23.02.2026 02:00 |
137 |
16.9 |
2.7 |
| 23.02.2026 01:00 |
125 |
14 |
2.7 |
| 23.02.2026 00:00 |
111 |
11 |
2.7 |
| 22.02.2026 23:00 |
98 |
8.5 |
2.7 |
| 22.02.2026 22:00 |
89 |
6.98 |
2.7 |
| 22.02.2026 21:00 |
81 |
5.71 |
2.7 |
|