Royal River at Yarmouth, Maine

USGS Site No: 01060000 • Royal River • Cumberland County, ME

Royal River at Yarmouth, Maine on the Royal River is currently at 133 cfs (Normal — 62th percentile for this date) . Gage height: 1.49 ft. This station is at or above flood stage.

Reading from

133
CFS Discharge
1.49
Gage Height (ft)
Normal
Flow Condition
FLOOD
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 61
25th Low threshold 76
50th (Median) Normal (median) 110
75th High threshold 157 Today: 133 cfs
95th Very High threshold 397

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.

3.6k 1.8k 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 175 —
May 27, 2026 273 —
May 26, 2026 498 —
May 25, 2026 355 —
May 24, 2026 113 —
May 23, 2026 121 —
May 22, 2026 140 —
May 21, 2026 172 —
May 20, 2026 220 —
May 19, 2026 273 —
May 18, 2026 379 —
May 17, 2026 674 —
May 16, 2026 1,560 —
May 15, 2026 1,600 —
Apr 21, 2026 481 —
Apr 20, 2026 716 —
Apr 19, 2026 512 —
Apr 18, 2026 739 —
Apr 17, 2026 747 —
Apr 16, 2026 359 —
Apr 15, 2026 338 —
Apr 14, 2026 232 —
Apr 13, 2026 184 —
Apr 12, 2026 162 —
Apr 11, 2026 186 —
Apr 10, 2026 206 —
Apr 9, 2026 239 —
Apr 8, 2026 287 —
Apr 7, 2026 341 —
Apr 6, 2026 430 —

Station Information

USGS Site No
01060000
State
ME
County
Cumberland County
Coordinates
43.7992, -70.1783
Drainage Area
142 mi²
Datum (ft)
9.2
HUC Code
01060001
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
4.5 ft

Recent Extremes

Max discharge
2,450 cfs
May 11, 2025
Min discharge
24 cfs
Sep 21, 2025

Computed from the local daily-values archive.

Nearby Gauges

Related