Tokyo Metropolitan - Flood Control Integrated Information System (Bureau of Construction River Division) Provide
As of 2023/02/03 01:00
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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

2023Year 2Mon
Sun Mon Tue Wed Thur Fri Sat
1st 2nd 3rd 4th
5th 6th 7th 8th 9th 10th 11th
12th 13th 14th 15th 16th 17th 18th
19th 20th 21st 22nd 23rd 24th 25th
26th 27th 28th

Water level data

2023Year 2Mon
Sun Mon Tue Wed Thur Fri Sat
1st 2nd 3rd 4th
5th 6th 7th 8th 9th 10th 11th
12th 13th 14th 15th 16th 17th 18th
19th 20th 21st 22nd 23rd 24th 25th
26th 27th 28th


 ※ If you are using Safari, please do the following: “Right click on the date" ⇒ "Download file".

The condition of rainfall and river water level in Tokyo is displayed every 5 minutes. Please refresh the page to get the latest information.
Tokyo Metropolitan Bureau of Construction - River Division - Diaster prevention department S0000386@section.metro.tokyo.jp