Thelon River above Beverly Lake

Water level and flow at gauge 06JC002, Nunavut. The flow is above normal for October (157% of the median). In the last 24 hours it has been falling.

Water level
24.54m80.51ft
−23 cm−9.2 in in 24 h
Flow
423m³/s14,938cfs
-14% in 24 h
Status
Above normal
↓ falling -14%

Latest reading Oct 25, 6 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 49 years of monthly averages): 185 m³/s6,533 cfs – 362 m³/s12,784 cfs, median 270 m³/s9,535 cfs. Right now it is at 157% of the median.

Highest flow on record
9,220m³/s325,602cfs

June 9, 1991 · approved records 1980–2024 (HYDAT). Right now the flow is 5% of that record.

Last 30 days

Hourly readings · shaded: normal range for this month

200 m³/s400 m³/s600 m³/s10,000 cfs15,000 cfs20,000 cfs25,000 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

1,000 m³/s2,000 m³/s3,000 m³/s50,000 cfs100,000 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median20242026 (provisional)

Normal range: monthly averages of 47 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

Dubawnt RiverOutlet of Marjorie Lake · 97 km14.42 m47.31 ftVery high
Baillie RiverThe Mouth · 158 km4.46 m14.64 ftNormal
Dubawnt RiverAbove Dubawnt Lake · 191 km9.92 m32.53 ftNormal
Thelon RiverBelow Outlet of Schultz Lake · 207 km25.26 m82.88 ftVery high
Hanbury RiverAbove Hoare Lake · 212 km4.67 m15.31 ftNormal
Back RiverBelow Beechy Lake · 235 km1.71 m5.61 ftNormal

About this gauge

Station: 06JC002 · Thelon River Above Beverly Lake

Location: 64.5304, -101.3623 · Nunavut

Same river: Below Outlet of Schultz 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 Thelon River above Beverly Lake today?

The latest reading (Oct 25, 6 AM, local standard time) is 24.54 m (80.51 ft) with a flow of 423 m³/s (14,938 cfs).

Is the Thelon River above Beverly Lake high right now?

The flow is above normal for October (157% of the median).

Is the Thelon River rising or falling?

In the last 24 hours it has been falling.

What is the highest flow ever recorded on the Thelon River above Beverly Lake?

9,220 m³/s (325,602 cfs) on June 9, 1991, the highest instantaneous flow in the approved records of the Water Survey of Canada (1980–2024). Events after 2024 are not yet in the approved archive.

Where does this data come from?

Gauge 06JC002 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.