Mad River at Avening

Water level and flow at gauge 02ED015, Ontario. The flow is below normal for October (57% of the median). In the last 24 hours it has been steady.

Water level
1.02m3.34ft
−0 cm−0.2 in in 24 h
Flow
0.74m³/s26.2cfs
-4% in 24 h
Status
Below normal
→ steady

Latest reading Oct 25, 10 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 38 years of monthly averages): 0.89 m³/s31.6 cfs – 1.99 m³/s70.2 cfs, median 1.30 m³/s45.9 cfs. Right now it is at 57% of the median.

Highest flow on record
98.1m³/s3,464cfs

April 1, 2008 · approved records 1989–2025 (HYDAT). Right now the flow is 1% of that record.

Compared with a year ago

26% lower than on October 25, 2025 (1.00 m³/s35.2 cfs)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

1.0 m³/s1.5 m³/s2.0 m³/s30 cfs40 cfs50 cfs60 cfs70 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

10 m³/s20 m³/s30 m³/s40 m³/s500 cfs1,000 cfs1,500 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 37 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

Today

Sunny. Becoming a mix of sun and cloud this afternoon. Wind southwest 20 km/h. High 18. UV index 4 or moderate.

Tonight

Partly cloudy. Low 9.

Monday

Mainly cloudy. 30 percent chance of showers in the morning. Wind northwest 20 km/h becoming light late in the morning. High 13. UV index 3 or moderate.

Monday night

Clear. Low minus 4.

Forecast for Shelburne (20 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Pine RiverEverett · 15 km-0.03 m-0.09 ftVery low
Nottawasaga RiverBaxter · 21 km5.43 m17.80 ftNormal
Nottawasaga RiverEdenvale · 21 km4.35 m14.27 ftNormal
Boyne RiverEarl Rowe Park · 22 km2.86 m9.38 ftBelow normal
Pretty RiverCollingwood · 24 km1.86 m6.11 ftVery low
Nottawasaga RiverAlliston · 26 km6.73 m22.07 ftNormal

About this gauge

Station: 02ED015 · Mad River at Avening

Location: 44.3074, -80.0720 · Ontario

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Questions

What is the water level of the Mad River at Avening today?

The latest reading (Oct 25, 10 AM, local standard time) is 1.02 m (3.34 ft) with a flow of 0.74 m³/s (26.2 cfs).

Is the Mad River at Avening high right now?

The flow is below normal for October (57% of the median).

Is the Mad River rising or falling?

In the last 24 hours it has been steady.

What is the highest flow ever recorded on the Mad River at Avening?

98.1 m³/s (3,464 cfs) on April 1, 2008, the highest instantaneous flow in the approved records of the Water Survey of Canada (1989–2025). Events after 2025 are not yet in the approved archive.

How does the Mad River at Avening compare with a year ago?

The flow is 26% lower than on October 25, 2025 (1.00 m³/s (35.2 cfs), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 02ED015 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.