<a href="https://www.usgs.gov/centers/alaska-science-center/science/usgs-alaska-streamgage-datum-north-american-vertical-datum">USGS Alaska Streamgage Datum to North American Vertical Datum of 1988 Conversion Table</a>
Important Legacy real-time page
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
3 data types available - data from 2006-05-18 to 2026-07-31
Daily data
2 data types available - data from 1975-10-01 to 2026-07-29
Field measurements
4 data types available - data from 1963-07-16 to 2026-07-15
Discrete sample data
39 Observed properties (data types) available - with data from 1953-06-14 to 2018-08-20
93 Sampling activities
Statistical tables for select daily data types
2 data types available - data from 1975-10-01 to 2026-07-29
Monitoring locations with continuous data in last 120 days
No locations found
