Tatshenshini River at Dalton Post
Water level and flow at gauge 08AC002, Yukon. The flow is below normal for October (73% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 7 AM local standard time (about an hour ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 35 years of monthly averages): 17.7 m³/s625 cfs – 32.7 m³/s1,155 cfs, median 22.0 m³/s777 cfs. Right now it is at 73% of the median.
June 11, 2009 · approved records 1989–2023 (HYDAT). Right now the flow is 6% 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 35 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
| Takhanne RiverKm 167 Haines Highway · 9 km | 29.04 m95.28 ft | Above normal |
| Alsek RiverAbove Bates River · 49 km | 7.55 m24.76 ft | Below normal |
| Dezadeash RiverHaines Junction · 74 km | 3.13 m10.26 ft | Above normal |
| West Aishihik RiverThe Mouth · 104 km | 6.85 m22.47 ft | Very low |
| Takhini RiverWhitehorse · 110 km | 3.03 m9.94 ft | Below normal |
| Ibex RiverWhitehorse · 111 km | 4.13 m13.56 ft | Very high |
About this gauge
Station: 08AC002 · Tatshenshini River Near Dalton Post
Location: 60.1190, -137.0846 · Yukon
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 Tatshenshini River at Dalton Post today?
The latest reading (Oct 25, 7 AM, local standard time) is 4.74 m (15.54 ft) with a flow of 16.0 m³/s (565 cfs).
Is the Tatshenshini River at Dalton Post high right now?
The flow is below normal for October (73% of the median).
Is the Tatshenshini River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Tatshenshini River at Dalton Post?
290 m³/s (10,241 cfs) on June 11, 2009, the highest instantaneous flow in the approved records of the Water Survey of Canada (1989–2023). Events after 2023 are not yet in the approved archive.
Where does this data come from?
Gauge 08AC002 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.