How high is the Issaquah Creek Near Mouth Near Issaquah, WA right now?

The Issaquah Creek Near Mouth Near Issaquah, WA is currently flowing at 42 cubic feet per second with a gage height of 4.07 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Issaquah Creek Near Mouth Near Issaquah, WA normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 18th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Issaquah Creek Near Mouth Near Issaquah, WA on June 11?

The long-term median discharge for this date is 63 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 37 to 238 cfs.

Where is the Issaquah Creek Near Mouth Near Issaquah, WA stream gauge located?

The Issaquah Creek Near Mouth Near Issaquah, WA stream gauge is operated by the USGS in King County, WA on the Issaquah Creek. USGS site number 12121600 (coordinates 47.5523, -122.0479).

Issaquah Creek Near Mouth Near Issaquah, WA

USGS Site No: 12121600 • Issaquah Creek • King County, WA

Issaquah Creek Near Mouth Near Issaquah, WA on the Issaquah Creek is currently at 42 cfs (Low — 18th percentile for this date) . Gage height: 4.07 ft.

Reading from 1 week ago

↑ Upstream on Issaquah Creek

Issaquah Creek Near Hobart, WA

CFS Discharge

4.07

Gage Height (ft)

Low

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	37
25th	Low threshold	46	Today: 42 cfs
50th (Median)	Normal (median)	63
75th	High threshold	94
95th	Very High threshold	238

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	39	4.04
May 27, 2026	43	4.08
May 26, 2026	45	4.11
May 25, 2026	41	4.07
May 24, 2026	41	4.07
May 23, 2026	43	4.08
May 22, 2026	44	4.09
May 21, 2026	46	4.11
May 20, 2026	49	4.14
May 19, 2026	52	4.16
May 18, 2026	55	4.19
May 17, 2026	64	4.26
May 16, 2026	71	4.31
May 15, 2026	64	4.25
Apr 20, 2026	86	4.46
Apr 19, 2026	98	4.53
Apr 18, 2026	111	4.60
Apr 17, 2026	134	4.72
Apr 16, 2026	169	4.88
Apr 15, 2026	192	4.96
Apr 14, 2026	84	4.44
Apr 13, 2026	74	4.38
Apr 12, 2026	74	4.38
Apr 11, 2026	79	4.42
Apr 10, 2026	82	4.43
Apr 9, 2026	87	4.47
Apr 8, 2026	95	4.51
Apr 7, 2026	104	4.56
Apr 6, 2026	113	4.61
Apr 5, 2026	122	4.66

Station Information

USGS Site No: 12121600
State: WA
County: King County
Coordinates: 47.5523, -122.0479
Drainage Area: 57 mi²
Datum (ft): 42.8
HUC Code: 17110012

View on USGS NWIS →

Recent Extremes

Max discharge: 2,090 cfs

Dec 11, 2025
Min discharge: 17 cfs

Sep 18, 2025

Computed from the local daily-values archive.

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