Stewart River at The Mouth
Water level and flow at gauge 09DD003, Yukon. The flow is above normal for October (141% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 8 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 62 years of monthly averages): 285 m³/s10,056 cfs – 448 m³/s15,821 cfs, median 352 m³/s12,431 cfs. Right now it is at 141% of the median.
June 13, 1964 · approved records 1964–2024 (HYDAT). Right now the flow is 9% of that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 62 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.
Nearby gauges
| Yukon RiverAbove White River · 25 km | 8.73 m28.65 ft | Normal |
| Indian RiverAbove the Mouth · 57 km | 1.68 m5.50 ft | Above normal |
| Sixty Mile RiverThe Mouth · 64 km | 6.21 m20.37 ft | Very high |
| Klondike RiverAbove Bonanza Creek · 85 km | 0.94 m3.08 ft | Normal |
| North Klondike RiverThe Mouth · 86 km | 1.78 m5.84 ft | Normal |
| Yukon RiverDawson · 88 km | 1.10 m3.60 ft | Normal |
About this gauge
Station: 09DD003 · Stewart River at the Mouth
Location: 63.2822, -139.2544 · Yukon
Same river: Mayo
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Stewart River at The Mouth today?
The latest reading (Oct 25, 8 AM, local standard time) is 26.48 m (86.88 ft) with a flow of 497 m³/s (17,551 cfs).
Is the Stewart River at The Mouth high right now?
The flow is above normal for October (141% of the median).
Is the Stewart River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Stewart River at The Mouth?
5,640 m³/s (199,175 cfs) on June 13, 1964, the highest instantaneous flow in the approved records of the Water Survey of Canada (1964–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 09DD003 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.