Rhône - Sion 2011
Discharge and Water level
|
Discharge
m³/s
|
Water level
m a.s.l.
|
|
|---|---|---|
|
Last reading
21.05.2025 05:20
|
113
|
483.73
|
| 24hr mean | 109 | 483.69 |
| 24hr maximum | 157 | 484.06 |
| 24hr minimum | 83 | 483.48 |
Danger levels
Discharge m³/s
- 5 > 880
- 4 750 - 880
- 3 640 - 750
- 2 460 - 640
- 1 < 460
Graphs
Regarding alerts, the statements as interpreted in the natural hazard bulletin on www.natural-hazards.ch are authoritative. The hydrological forecasts shown are direct model outputs. Explanatory notes on forecast plots
Data and statistics
Key figures Discharge
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Monthly mean | 38 m³/s | 37 m³/s | 39 m³/s | 51 m³/s | 117 m³/s | 229 m³/s | 262 m³/s | 226 m³/s | 141 m³/s | 75 m³/s | 51 m³/s | 42 m³/s |
| Maximum reading |
146 m³/s
22.01.2020
|
171 m³/s
15.02.1990
|
298 m³/s
31.03.1981
|
259 m³/s
01.04.1981
|
671 m³/s
30.05.2008
|
695 m³/s
30.06.1935
|
740 m³/s
02.07.1938
|
787 m³/s
30.08.1922
|
910 m³/s
04.09.1948
|
910 m³/s
15.10.2000
|
380 m³/s
01.11.1928
|
158 m³/s
22.12.1991
|
| Minimum daily mean value |
18 m³/s
06.01.1922
|
18 m³/s
27.02.2005
|
17 m³/s
06.03.2005
|
20 m³/s
09.04.1921
|
20 m³/s
04.05.1921
|
54 m³/s
02.06.1933
|
74 m³/s
24.07.2011
|
61 m³/s
15.08.2006
|
37 m³/s
25.09.2022
|
28 m³/s
26.10.2003
|
24 m³/s
27.11.2005
|
19 m³/s
27.12.1921
|
Annual mean
Highest
145 m³/s
1920
Lowest
74 m³/s
1976
Mean
109 m³/s
Total period
Key figures Temperature
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Monthly mean | 3.8 °C | 4.4 °C | 6.2 °C | 8.0 °C | 8.9 °C | 9.0 °C | 8.9 °C | 8.6 °C | 8.6 °C | 7.6 °C | 5.6 °C | 4.1 °C |
| Maximum reading |
7.7 °C
01.01.2010
|
10.8 °C
28.02.2010
|
16.3 °C
21.03.2010
|
17.2 °C
10.04.2010
|
14.4 °C
08.05.2022
|
13.4 °C
21.06.1998
|
13.7 °C
14.07.1996
|
12.6 °C
21.08.2022
|
13.8 °C
11.09.2022
|
12.2 °C
03.10.2010
|
10.8 °C
01.11.2022
|
8.0 °C
07.12.2009
|
| Minimum reading |
-0.3 °C
31.01.1999
|
-1.1 °C
01.02.1999
|
0.0 °C
13.03.2006
|
1.7 °C
01.04.2013
|
4.6 °C
17.05.2012
|
5.6 °C
11.06.2019
|
6.1 °C
25.07.1986
|
5.9 °C
04.08.1983
|
5.5 °C
30.09.1995
|
3.3 °C
31.10.1997
|
0.1 °C
27.11.2005
|
0.0 °C
17.12.2023
|
Annual mean
Highest
7.6 °C
2010
Lowest
6.4 °C
2023
Mean
7.0 °C
Total period
Station information
- Station altitude
- 487 m a.s.l.
- Catchment size
- 3372 km2
- Mean catchment altitude
- 2291 m a.s.l.
- Glacial area
- 14.200%
- Station coordinates
- 2'593'742 / 1'118'631