LASP SIST composite manifest

Dataset: LASP TSI Composite (SIST)
Source file: tsi_composite_sist.txt
Native cadence: daily composite values (Julian-day timestamps)

Date span: 1978-11-16 to 2025-03-01
Daily rows: 16908
Monthly rows: 557
Annual rows: 48
TSI range: 1358.2570 to 1363.6990 W m^-2