Fukushima Daiichi Nuclear Power Plant reactor data in graph form updated automatically and shows a historical graph.
Due to the large format of these graphs they are displayed in a new browser window.
Launch Daiichi Reactor Graphs

** TEPCO stopped sending this data on March 15, 2012
We have an archive copy of all the reactor data from the last year in a CSV file.
File is in zip format for faster downloading. http://www.houseoffoust.com/edano/tepco_historical_csv_files.zip