Rivermatics

USGS Streamgage 13122000

Thousand Springs Creek near Chilly, ID

Thousand Springs Creek near Chilly, ID is USGS streamgage 13122000 in Idaho, monitoring river discharge in hydrologic subbasin 17040218. It drains a watershed of about 145 square miles. Discharge records at this site go back to 1912. Typical flow runs near 12.1 cfs in July and 13 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
Idaho
Drainage area
145 sq mi
Subbasin (HUC-8)
17040218
Coordinates
44.06667, -113.84028
USGS site number
13122000
Records begin
1912-12-01 (114 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Thousand Springs Creek near Chilly, ID. 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.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
2.1 2.3 2.5
2 2.2 2.6
1.9 2.2 2.6
1.8 2.1 2.6
1.7 2.1 2.7
1.7 2.1 2.9
1.7 2.2 3.1
1.7 2.2 3.2
1.6 2.2 3.2
1.6 2.2 3.2
1.5 2.1 3.2
1.5 2.1 3.1
1.4 2.1 3.1
1.4 2 3.1

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 7 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January — 2.1 —
February — 2.4 —
March — 10.7 —
April — 13 —
May — 8.3 —
June — 8.2 —
July — 12.1 —
August — 8 —
September — 4.4 —
October — 5.8 —
November — 4.9 —
December — 2.4 —

All values in cubic feet per second (cfs).

Common questions

When does Thousand Springs Creek near Chilly, ID normally run highest?
April, on the long-term record. The median daily flow that month is about 13 cfs, against 2.1 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
How long has Thousand Springs Creek near Chilly, ID been measured?
Discharge records at USGS site 13122000 begin in 1912, about 114 years, covering roughly 2,683 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Thousand Springs Creek near Chilly, ID?
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 Thousand Springs Creek near Chilly, ID?
The gauge sits at 44.06667, -113.84028, in Idaho, in hydrologic subbasin 17040218, draining roughly 145 square miles.
Can I use Thousand Springs Creek near Chilly, ID 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.

Other gauges in this subbasin