Cobbs Creek at Rainbow Dr, Near Decatur, GA

USGS Site No: 02203873Cobbs Creek • DeKalb County, GA

Cobbs Creek at Rainbow Dr, Near Decatur, GA on the Cobbs Creek is currently at 10 cfs (Very High — 95th percentile for this date) . Gage height: 1.81 ft.

Reading from

10
CFS Discharge
1.81
Gage Height (ft)
Very High
Flow Condition
Normal
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 4
25th Low threshold 5
50th (Median) Normal (median) 5
75th High threshold 9
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.

48 24 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 5 1.69
May 27, 2026 10 1.80
May 26, 2026 45 2.12
May 25, 2026 28 2.01
May 24, 2026 4 1.65
May 23, 2026 9 1.78
May 22, 2026 8 1.72
May 21, 2026 4 1.65
May 20, 2026 3 1.61
May 19, 2026 3 1.61
May 18, 2026 3 1.62
May 17, 2026 3 1.61
May 16, 2026 3 1.62
May 15, 2026 3 1.62
Apr 21, 2026 3 1.63
Apr 20, 2026 3 1.63
Apr 19, 2026 3 1.63
Apr 18, 2026 3 1.63
Apr 17, 2026 3 1.63
Apr 16, 2026 3 1.63
Apr 15, 2026 4 1.63
Apr 14, 2026 4 1.64
Apr 13, 2026 4 1.63
Apr 12, 2026 4 1.64
Apr 11, 2026 4 1.64
Apr 10, 2026 4 1.65
Apr 9, 2026 4 1.65
Apr 8, 2026 4 1.66
Apr 7, 2026 4 1.66
Apr 6, 2026 4 1.67

Station Information

USGS Site No
02203873
State
GA
County
DeKalb County
Coordinates
33.7094, -84.2392
Drainage Area
8 mi²
Datum (ft)
779.2
HUC Code
03070103
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
9.0 ft
Flood Stage
11.0 ft
Moderate Flood
17.0 ft
Major Flood
20.0 ft

Currently 9.19 ft below flood stage.

Recent Extremes

Max discharge
86 cfs
Aug 3, 2025
Min discharge
2 cfs
Sep 24, 2025
Days at flood stage
0

Computed from the local daily-values archive.