Station Metadata [02LA004]

STATUS: Active, Real-Time

ABOUT THIS DATA:

The hourly, max flow (calculated via rating curve) in cubic meters per second for the Rideau at Ottawa stream gauge (WSC-02LA004). Gauge owned/operated by Water Survey Canada. Statistics have been generated by the RVCA from the period between 1989-2019 (30 years). These statistics include the daily median (50th percentile) and interquartile range (data range between the daily 25th and 75th percentiles). The median and interquartile range represent the typical normal flows observed at this time of year over the historic record. In addition, regional daily precipitation values have been included on the secondary axis.

DATA TIME-SERIES:

Hourly, Peak Flow; cubic meters per second
Daily, Upper Quartile (75th Percentile; Historic Normal); cubic meters per second
Daily, Lower Quartile (25th Percentile; Historic Normal); cubic meters per second
Daily, Median (50th Percentile; Historic Normal); cubic meters per second
Daily, Total Precipitation (Environment Canada, Ottawa Intl A); millimeters

LOCATION: LAT [45°22'53" N], LONG [75°41'49" W]

SUBWATERSHED: Lower Rideau River

PERIOD OF RECORD (RVCA ARCHIVE): Sept/1985 - Present

WATERCOURSE REGULATION (Y/N): Yes; Regulated

OWNER/OPERATOR: Water Survey Canada

DATUM: N/A

TELEMETRY (Y/N): Yes

DATA ACCESS SCHEDULE: Automated download every 4 hours

STATISTICS: RVCA statistics calculated from the 1989-2019 period of record.

a) Upper Quartile (Historic Normal)
Statistics Interval - 1 Year, Recurring
Extraction Interval - Daily (12:00AM-12:00AM); No Aggregation
Statistics Type: 75th Percentile
Update Frequency: Daily

b) Lower Quartile (Historic Normal)
Statistics Interval - 1 Year, Recurring
Extraction Interval - Daily (12:00AM-12:00AM); No Aggregation
Statistics Type: 25th Percentile
Update Frequency: Daily

c) Median (Historic Normal)
Statistics Interval - 1 Year, Recurring
Extraction Interval - Daily (12:00AM-12:00AM); No Aggregation
Statistics Type: 50th Percentile
Update Frequency: Daily

DATA UNCERTAINTY:

The RVCA cannot guarantee the accuracy of the provided data. Data accuracy can be affected by a number of factors including, but not limited to: Ice and/or sedimentation accumulation, backwater effects and equipment malfunction/maintenance. Users of the RVCA's real-time data tools are cautioned to consider the unverified nature of the information before using it for decisions that concern personal or public safety or the conduct of business.

DATA SOURCES:

Water Survey Canada; 02LA004
Environment Canada; StationID: 49568

CONTACT:

For for more information, please contact: info@rvca.ca