Parameters
|
Meaning
|
Date
|
Maximum water level, cm/m BS
|
1073*/ 97,73*
839**/95,39**
|
02.05.1931
13.04.1979
|
Minimum water level, cm/m BS
|
183*/ 88.83*
346**/90.46**
|
17, 20.11.1921
18.03.2010
|
The largest amplitude of water level fluctuations per year, cm
|
801*/432**
|
1931/1979
|
Maximum water flow, m³/s
|
23100
|
02.05.1931
|
The largest measured water flow rate, m³/s
|
20100
|
05, 06.05.1931
|
Maximum water temperature, ºС
|
27,2*
28,6**
|
22.07.1960
22.07.2010
|
The earliest date when the water temperature goes up by 20ºC
|
|
10.05.2013
|
The latest date when the water temperature goes up by 20ºC
|
|
01.07
1978, 2004
|
The earliest date when the water temperature goes downward by 20ºC
|
|
09.08.1987
|
The latest date when the water temperature goes downward by 20 ºС
|
|
18.09.2020
|
The longest duration with a water temperature above 20 °C, days
|
115
|
2018
|
The shortest duration with a water temperature above 20 °C, days
|
52
|
1994
|
The earliest dates of ice events
|
|
29.10.1920*
08.11.1988**
|
The latest dates of ice events
|
|
17.01.1961*
10.02.2020**
|
Maximum ice thickness, cm
|
80*
42 **
|
February 1963 January 1977
|
The longest duration of ice cover, days
|
151*
87**
|
winter 1941-42
winter 1984-85
|