How high is the Green River at Purification Plant Near Palmer, WA right now?

The Green River at Purification Plant Near Palmer, WA is currently flowing at 338 cubic feet per second with a gage height of 4.10 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Green River at Purification Plant Near Palmer, WA normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 30th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Green River at Purification Plant Near Palmer, WA on June 11?

The long-term median discharge for this date is 514 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 171 to 2,570 cfs.

Where is the Green River at Purification Plant Near Palmer, WA stream gauge located?

The Green River at Purification Plant Near Palmer, WA stream gauge is operated by the USGS in King County, WA on the Green River. USGS site number 12106700 (coordinates 47.3051, -121.8507).

Green River at Purification Plant Near Palmer, WA

USGS Site No: 12106700 • Green River • King County, WA

Green River at Purification Plant Near Palmer, WA on the Green River is currently at 338 cfs (Normal — 30th percentile for this date) . Gage height: 4.10 ft.

Reading from 1 week ago

↑ Upstream on Green River

Green River Below Howard at Hanson Dam, WA

Downstream on Green River ↓

Green River Near Auburn, WA

338

CFS Discharge

4.10

Gage Height (ft)

Normal

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	Today's Flow
10th	Very Low threshold	171
25th	Low threshold	290
50th (Median)	Normal (median)	514	Today: 338 cfs
75th	High threshold	905
95th	Very High threshold	2,570

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	329	4.07
May 27, 2026	351	4.14
May 26, 2026	437	4.41
May 25, 2026	471	4.51
May 24, 2026	469	4.51
May 23, 2026	468	4.50
May 22, 2026	524	4.65
May 21, 2026	557	4.74
May 20, 2026	730	5.13
May 19, 2026	825	5.33
May 18, 2026	843	5.37
May 17, 2026	816	5.31
May 16, 2026	689	5.04
May 15, 2026	576	4.79
Apr 20, 2026	749	5.18
Apr 19, 2026	723	5.12
Apr 18, 2026	716	5.11
Apr 17, 2026	799	5.28
Apr 16, 2026	794	5.27
Apr 15, 2026	757	5.19
Apr 14, 2026	726	5.13
Apr 13, 2026	717	5.11
Apr 12, 2026	788	5.26
Apr 11, 2026	857	5.39
Apr 10, 2026	907	5.49
Apr 9, 2026	929	5.53
Apr 8, 2026	1,010	5.67
Apr 7, 2026	1,050	5.74
Apr 6, 2026	986	5.63
Apr 5, 2026	954	5.57

Station Information

USGS Site No: 12106700
State: WA
County: King County
Coordinates: 47.3051, -121.8507
Drainage Area: 231 mi²
Datum (ft): 859.5
HUC Code: 17110013

View on USGS NWIS →

Recent Extremes

Max discharge: 10,000 cfs

Dec 9, 2025
Min discharge: 138 cfs

Jul 10, 2025

Computed from the local daily-values archive.

Nearby Gauges

Green River Below Howard at Hanson Dam, WA
2.9 mi · 413 cfs

Normal
Newaukum Creek Near Black Diamond, WA
10.0 mi · 36 cfs

Normal
White River Below Clearwater River near Buckley, WA
10.9 mi · 0 cfs

Unknown
Boxley Creek Near Edgewick, WA
11.4 mi · 61 cfs

Normal
White River Near Buckley, WA
11.6 mi · 819 cfs

Very Low