USGS Streamgage 14200000
Molalla River near Canby, OR
Molalla River near Canby, OR is USGS streamgage 14200000 in Oregon, monitoring river discharge in hydrologic subbasin 17090009. It sits on the Molalla River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 323 square miles. Discharge records at this site go back to 1928. Typical flow runs near 161.8 cfs in July and 1,313.3 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Oregon
- Drainage area
- 323 sq mi
- Subbasin (HUC-8)
- 17090009
- Coordinates
- 45.24392, -122.68744
- USGS site number
- 14200000
- Records begin
- 1928-08-01 (98 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Molalla River near Canby, OR. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 64.4 | 67.9 | 71.4 | ||
| 63.7 | 71.9 | 87 | ||
| 71 | 89 | 126 | ||
| 71.2 | 90.1 | 126 | ||
| 65.9 | 80.2 | 104 | ||
| 60.5 | 72.1 | 90.3 | ||
| 56.2 | 66.5 | 81.3 | ||
| 54.7 | 64.3 | 77.6 | ||
| 53.4 | 63 | 76.2 | ||
| 50.6 | 60.3 | 73.5 | ||
| 49.2 | 58.7 | 71.3 | ||
| 47.6 | 56.9 | 69 | ||
| 46.7 | 56 | 68.5 | ||
| 45.5 | 55 | 67.7 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 97 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 616.2 | 1,595.2 | 4,981.9 | |
| February | 545.8 | 1,289.3 | 3,781.4 | |
| March | 633.4 | 1,382.6 | 3,368.4 | |
| April | 684.9 | 1,313.3 | 2,487 | |
| May | 396.2 | 940.1 | 1,944.5 | |
| June | 191.8 | 444.8 | 1,217.2 | |
| July | 83.2 | 161.8 | 302 | |
| August | 48 | 79.3 | 150.1 | |
| September | 49.2 | 79.1 | 272.6 | |
| October | 67 | 183.9 | 927.8 | |
| November | 173 | 873.7 | 3,427 | |
| December | 416.9 | 1,497.1 | 5,056.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Molalla River near Canby, OR normally run highest?
- January, on the long-term record. The median daily flow that month is about 1,595.2 cfs, against 79.1 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Molalla River near Canby, OR?
- It depends on the month. In January, half of days historically fall near 1,595.2 cfs, with the middle 80% of days between 616.2 and 4,981.9 cfs. The month-by-month table on this page gives the full range.
- How long has Molalla River near Canby, OR been measured?
- Discharge records at USGS site 14200000 begin in 1928, about 98 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Molalla River near Canby, OR?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Molalla River near Canby, OR?
- The gauge sits at 45.24392, -122.68744, in Oregon, in hydrologic subbasin 17090009, draining roughly 323 square miles.
- Can I use Molalla River near Canby, OR data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Molalla River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Molalla River in full.
- Molalla River Ab Pc near Wilhoit, OR 97 sq mi
- Molalla River near Canby, OR this page