Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide

This website provides rainfall amount and river water level information observed in Tokyo, as well as the warnings, alarms and special alarms in real time.

History data

You can download history data.
Please click the date of the history data you want to view.
You can download history data for each day in CSV format.

10-min rainfall data

2024/ 10
Sun Mon Tue Wed Thur Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31

Water level data

2024/ 10
Sun Mon Tue Wed Thur Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31

* If you are using Safari, please do the following: "Right click on the date" => "Download file".