Grand Lake Outlet below Chipmunk Ln at Grand Lake, CO

USGS Site No: 09014050 • Grand County, CO

Grand Lake Outlet below Chipmunk Ln at Grand Lake, CO is currently at 303 cfs (Very High — 95th percentile for this date) . Gage height: 8.54 ft.

Reading from

303
CFS Discharge
8.54
Gage Height (ft)
Very High
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 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 0
25th Low threshold -380
50th (Median) Normal (median) -301
75th High threshold -149
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.

284 142 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 263 —
May 27, 2026 198 —
May 26, 2026 -41 —
May 25, 2026 -176 —
May 24, 2026 -208 —
May 23, 2026 -260 —
May 22, 2026 -255 —
May 21, 2026 -232 —
May 20, 2026 -200 —
May 19, 2026 -184 —
May 18, 2026 -93 —
May 17, 2026 -56 —
May 16, 2026 -48 —
May 15, 2026 28 —
Apr 20, 2026 -31 —
Apr 19, 2026 6 —
Apr 18, 2026 1 —
Apr 17, 2026 23 —
Apr 16, 2026 19 —
Apr 15, 2026 31 —
Apr 14, 2026 45 —
Apr 13, 2026 34 —
Apr 12, 2026 -10 —
Apr 11, 2026 -13 —
Apr 10, 2026 4 —
Apr 9, 2026 -2 —
Apr 8, 2026 -4 —
Apr 7, 2026 16 —
Apr 6, 2026 7 —
Apr 5, 2026 -12 —

Station Information

USGS Site No
09014050
State
CO
County
Grand County
Coordinates
40.2461, -105.8288
Drainage Area
76 mi²
Datum (ft)
8,365.0
HUC Code
14010001
View on USGS NWIS →

Recent Extremes

Max discharge
836 cfs
Jun 2, 2025
Min discharge
-524 cfs
Feb 4, 2026

Computed from the local daily-values archive.

Nearby Gauges

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