noaa_marine_get_monthly_means

io.github.cyanheads/noaa-marine-mcp-server · Verify this server

Verified monthly means for a CO-OPS water-level station, one row per station-month: the month's highest and lowest water, its tidal datums (MHHW, MHW, MSL, MTL, MLW, MLLW, DTL), tidal ranges (GT, MN, DHQ, DLQ), and lunitidal intervals (HWI, LWI) — the record a sea-level or tidal-range trend over years to decades is read from. Heights are relative to the requested datum in the requested units. A value CO-OPS publishes no figure for is omitted rather than reported as zero; a Great Lakes station carries only highest, msl, and lowest. A range may span up to 73,000 days, checked before the call, and CO-OPS verifies this product monthly, for the prior month, so a window ending on or after the first day of the prior month can fail with verified_data_lag. A range whose months fit the response budget is returned whole; a longer one returns the leading months, with rows_matched, rows_returned, and next_offset reporting how many matched and which offset reaches the rest. Use noaa_marine_find_stations with types=["water_level"] first to resolve a station name or location to a station ID.