These files contain monthly observational data that have been quality-controlled using semi-automated computer programs as well as oversight by our staff. The filenames are prefixed with a label identifying one of three different observation intervals - ten minute (10min), one hour (1hr), and...

These files contain monthly observational data that have been quality-controlled using semi-automated computer programs as well as oversight by our staff. The filenames are prefixed with a label identifying one of three different observation intervals - ten minute (10min), one hour (1hr), and...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...

These files contain instantaneous observations at ten-minute intervals, with either six or eight columns. The data have been taken directly from the originally transmitted hexadecimal data with only gross error checking during the processing. There will still be bad data points that are within...