This is the data used for Asano Y, Uchida T. and Tomomura "A Novel Method of Quantifying Catchment‐Wide Average Peak Propagation Speed in Hillslopes: Fast Hillslope Responses are Detected During Annual Floods in a Steep Humid Catchment"Water Resources Research, 56, e2019WR025070. https://doi.org/10.1029/2019WR025070. Detailed description of data are in the above publication. -2009 Water level: time series of water level data obtained for 2009 -2012 Water level: time series of water level data obtained in 2012 -2013 Water level: time series of water level data obtained in 2013 -2009_2012_2013 Precipitation data:time series of precipitation -Observation location XY: XY coordinate of observation location.