How high is the Birch C near Circle AK right now?

The Birch C near Circle AK is currently flowing at 4,550 cubic feet per second with a gage height of 12.53 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Birch C near Circle AK normal for this time of year?

Current flow is classified as very high for June 11. Today's discharge is at the 95th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Birch C near Circle AK on June 11?

The long-term median discharge for this date is 1,860 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to unavailable cfs.

Where is the Birch C near Circle AK stream gauge located?

The Birch C near Circle AK stream gauge is operated by the USGS in Yukon-Koyukuk Census Area, AK. USGS site number 15446000 (coordinates 65.7108, -144.3358).

Birch C near Circle AK

USGS Site No: 15446000 • Yukon-Koyukuk Census Area, AK

Birch C near Circle AK is currently at 4,550 cfs (Very High — 95th percentile for this date) . Gage height: 12.53 ft.

Reading from 1 week ago

4,550

CFS Discharge

12.53

Gage Height (ft)

Very High

Flow Condition

N/A

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold
10th	Very Low threshold	0
25th	Low threshold	1,190
50th (Median)	Normal (median)	1,860
75th	High threshold	2,230
95th	Very High threshold	0

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	5,100	—
May 27, 2026	6,070	—
May 26, 2026	5,980	—
May 25, 2026	5,070	—
May 24, 2026	5,190	—
May 23, 2026	5,950	—
May 22, 2026	6,170	—
May 21, 2026	5,590	—
May 20, 2026	5,950	—
May 19, 2026	6,270	—
May 18, 2026	6,110	—
May 17, 2026	6,290	—
May 16, 2026	7,800	—
May 15, 2026	9,500	—
Mar 31, 2026	89	—
Mar 30, 2026	89	—
Mar 29, 2026	90	—
Mar 28, 2026	91	—
Mar 27, 2026	92	—
Mar 26, 2026	93	—
Mar 25, 2026	94	—
Mar 24, 2026	95	—
Mar 23, 2026	96	—
Mar 22, 2026	97	—
Mar 21, 2026	98	—
Mar 20, 2026	99	—
Mar 19, 2026	100	—
Mar 18, 2026	101	—
Mar 17, 2026	102	—
Mar 16, 2026	103	—

Station Information

USGS Site No: 15446000
State: AK
County: Yukon-Koyukuk Census Area
Coordinates: 65.7108, -144.3358
Drainage Area: 2,150 mi²
Datum (ft): 630.7
HUC Code: 19080401

View on USGS NWIS →

Recent Extremes

Max discharge: 9,500 cfs

May 15, 2026
Min discharge: 78 cfs

Apr 22, 2025

Computed from the local daily-values archive.