Guichon Creek above Tunkwa Lake Diversion
Water level and flow at gauge 08LG056, British Columbia. The flow is normal for October (92% of the median). In the last 24 hours it has been rising.
Latest reading Oct 25, 4 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 55 years of monthly averages): 0.04 m³/s1.39 cfs – 0.07 m³/s2.56 cfs, median 0.05 m³/s1.84 cfs. Right now it is at 92% of the median.
May 8, 2023 · approved records 1968–2024 (HYDAT). Right now the flow is 1% 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 53 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.
Weather near this gauge
Rain ending this morning then mainly cloudy with 40 percent chance of showers. Snow level 900 metres rising to 1200 metres near noon. Wind east 20 km/h gusting to 40. High 10. UV index 1 or low.
Partly cloudy. Wind east 20 km/h gusting to 40 becoming light this evening. Low plus 3.
A mix of sun and cloud. High 11. UV index 1 or low.
Cloudy periods. Low plus 3.
Forecast for Cache Creek (37 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Witches BrookMerritt · 13 km | 1.02 m3.33 ft | No normal yet |
| Thompson RiverSavona · 16 km | 10.33 m33.90 ft | Below normal |
| Guichon CreekOutlet of Mamit Lake · 28 km | 2.24 m7.35 ft | Below normal |
| Criss CreekSavona · 31 km | -0.33 m-1.07 ft | Below normal |
| Dairy CreekAbove Tsotin Lake · 31 km | 0.25 m0.82 ft | Above normal |
| Deadman RiverAbove Criss Creek · 33 km | 4.27 m13.99 ft | No normal yet |
About this gauge
Station: 08LG056 · Guichon Creek Above Tunkwa Lake Diversion
Location: 50.6078, -120.9109 · British Columbia
Same river: Outlet of Mamit Lake
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 Guichon Creek above Tunkwa Lake Diversion today?
The latest reading (Oct 25, 4 AM, local standard time) is 0.20 m (0.65 ft) with a flow of 0.05 m³/s (1.70 cfs).
Is the Guichon Creek above Tunkwa Lake Diversion high right now?
The flow is normal for October (92% of the median).
Is the Guichon Creek rising or falling?
In the last 24 hours it has been rising.
What is the highest flow ever recorded on the Guichon Creek above Tunkwa Lake Diversion?
3.64 m³/s (129 cfs) on May 8, 2023, the highest instantaneous flow in the approved records of the Water Survey of Canada (1968–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 08LG056 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.