aareadme for https://spdf.gsfc.nasa.gov/pub/data/imp/imp8/particles_uchi/hourly/protons/ Most needed information is in readme files higher in the subdirectory tree. The following proton-specific information is from the headers of each UNH-resident monthly file of proton count rates. Flux Data are contained in columnar form with each column as: Column 01: YEAR Column 02: DAY OF YEAR Column 03: HOUR OF DAY Column 04: COVERAGE (PERCENT) Column 05: ID2 PROTONS (11.24-12.62 MEV) Column 06: ID2 PROTONS (12.62-16.18 MEV) Column 07: ID2 PROTONS (16.18-20.00 MEV) Column 08: ID3 PROTONS (20.00-29.75 MEV) Column 09: ID4 PROTONS (29.75-40.10 MEV) Column 10: ID4 PROTONS (40.10-50.90 MEV) Column 11: ID4 PROTONS (50.90-62.55 MEV) Column 12: ID4 PROTONS (62.55-74.50 MEV) Column 13: ID4 PROTONS (74.50-94.78 MEV) ------------------------------------------------------------