USGS NWIS Statistics
Provides statistical summaries, including daily, monthly, and annual data, from the USGS National Water Information System.
Custom Streaming + One-shot
Create or update a recurring USGS NWIS statistics connector.
What you can ask Delphi
- “What was the average daily streamflow for USGS station 09380000 on the Colorado River in July 2023?”
- “Can you provide the monthly maximum water temperature at USGS station 05586100 for the last three years?”
- “List the annual median gauge heights for all USGS stations in the Ohio River basin for the year 2022.”
- “What were the 7-day low flow statistics for the Delaware River near Trenton (USGS 01463500) during the past year?”
Technical details
Authentication ▾
Contact us for setup details.
Ingestion ▾
Mode: Streaming + One-shot
Tools exposed (2) ▾
schedule_usgs_nwis_statistics
Create or update a recurring USGS NWIS statistics connector.
usgs/get_nwis_statistics
Fetch statistical summaries (daily, monthly, or annual) from the USGS NWIS Statistics Service.
Inputs ▾
schedule_usgs_nwis_statistics
| Name | Type | Required | Description |
|---|---|---|---|
| dashboardId | string | no | Target dashboard/initiative ID. Omit to use the current dashboard. |
| sites | string | yes | Comma-separated USGS site numbers (e.g. '01646500,01646502'). |
| parameterCd | string | no | Parameter code to filter by (e.g. '00060' for discharge, '00065' for gage height). |
| statReportType | string | no | Type of statistics report. Default 'daily'. daily monthly annual |
| statTypeCd | string | no | Statistic type code. Default 'all'. mean min max median all |
| startDate | string | no | Start date in YYYY-MM-DD format. |
| endDate | string | no | End date in YYYY-MM-DD format. |
| limit | number | no | Max records to return. Default 100. |
| description | string | no | Human-readable description shown in the connector UI. |
| filter_paths | string[] | no | Optional glob paths to reduce the response. |
| polling_frequency | string | yes | How often to poll the USGS NWIS statistics endpoint. |
| connectorId | string | no | If provided, updates an existing connector. |
usgs/get_nwis_statistics
| Name | Type | Required | Description |
|---|---|---|---|
| dashboardId | string | no | Target dashboard/initiative ID. Omit to use the current dashboard. |
| sites | string | yes | Comma-separated USGS site numbers (e.g. '01646500,01646502'). |
| parameterCd | string | no | Parameter code to filter by (e.g. '00060' for discharge, '00065' for gage height). |
| statReportType | string | no | Type of statistics report. Default 'daily'. daily monthly annual |
| statTypeCd | string | no | Statistic type code. Default 'all'. mean min max median all |
| startDate | string | no | Start date in YYYY-MM-DD format. |
| endDate | string | no | End date in YYYY-MM-DD format. |
| limit | number | no | Max records to return. Default 100. |
| description | string | no | Human-readable description shown in the connector UI. |
| filter_paths | string[] | no | Optional glob paths to reduce the response. |