Cobbs Creek at Rainbow Dr, Near Decatur, GA
USGS Site No: 02203873 • Cobbs 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
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.
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
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 cfsAug 3, 2025
- Min discharge
-
2 cfsSep 24, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Shoal Creek at Columbia Drive Near Atlanta, GAVery Low1.4 mi · 4 cfs
-
Snapfinger Creek at Thompson Mill Road near Lithonia, GANormal2.5 mi · 23 cfs
-
Doolittle Creek at Flat Shoals Road, near Decatur, GANormal3.1 mi · 3 cfs
-
South River at Flakes Mill Road near Atlanta, GANormal3.1 mi · 88 cfs
-
Snapfinger Creek Near Decatur, GANormal3.9 mi · 9 cfs