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Available data

Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories

Continuous data

4 data types available - data from 1986-10-01 to 2026-08-12

Daily data

2 data types available - data from 1914-01-01 to 2026-08-10

Field measurements

3 data types available - data from 1914-04-22 to 2026-08-03

Discrete sample data

41 Observed properties (data types) available - with data from 1964-11-04 to 2002-10-14
214 Sampling activities

Peak measurements

2 data types available - with data from 1914-04-30 to 2025-04-30

Statistical tables for select daily data types

2 data types available - data from 1914-01-01 to 2026-08-10

Available location images

Monitoring locations with continuous data in last 120 days

No locations found