Mission Creek above Reservoir near St. Ignatius Mount

USGS Site No: 12377150 • Mission Creek • Lake County, MT

Mission Creek above Reservoir near St. Ignatius Mount on the Mission Creek is currently at 319 cfs (Very High — 158th percentile for this date) . Gage height: 3.46 ft.

Reading from

319
CFS Discharge
3.46
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 14
25th Low threshold 18
50th (Median) Normal (median) 22
75th High threshold 27
95th Very High threshold 44

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.

443 221 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 410 —
May 27, 2026 298 —
May 26, 2026 195 —
May 25, 2026 132 —
May 24, 2026 93 —
May 23, 2026 70 —
May 22, 2026 65 —
May 21, 2026 67 —
May 20, 2026 68 —
May 19, 2026 71 —
May 18, 2026 78 —
May 17, 2026 92 —
May 16, 2026 110 —
May 15, 2026 144 —
Apr 20, 2026 26 —
Apr 19, 2026 25 —
Apr 18, 2026 27 —
Apr 17, 2026 29 —
Apr 16, 2026 32 —
Apr 15, 2026 34 —
Apr 14, 2026 38 —
Apr 13, 2026 40 —
Apr 12, 2026 38 —
Apr 11, 2026 31 —
Apr 10, 2026 28 —
Apr 9, 2026 28 —
Apr 8, 2026 28 —
Apr 7, 2026 27 —
Apr 6, 2026 24 —
Apr 5, 2026 24 —

Station Information

USGS Site No
12377150
State
MT
County
Lake County
Coordinates
47.3202, -113.9879
Drainage Area
14 mi²
Datum (ft)
3,460.0
HUC Code
17010212
View on USGS NWIS →

Recent Extremes

Max discharge
410 cfs
May 28, 2026
Min discharge
12 cfs
Feb 21, 2026

Computed from the local daily-values archive.

Nearby Gauges

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