Northern Ditch at Okolona, KY
USGS Site No: 03301940 • Northern Ditch • Jefferson County, KY
Northern Ditch at Okolona, KY on the Northern Ditch is currently at 11 cfs (Normal — 57th percentile for this date) . Gage height: 4.49 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 | 2 | |
| 25th | Low threshold | 3 | |
| 50th (Median) | Normal (median) | 7 | |
| 75th | High threshold | 20 | Today: 11 cfs |
| 95th | Very High threshold | 79 |
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 | 21 | — |
| May 27, 2026 | 42 | — |
| May 26, 2026 | 79 | — |
| May 25, 2026 | 30 | — |
| May 24, 2026 | 47 | — |
| May 23, 2026 | 139 | — |
| May 22, 2026 | 51 | — |
| May 21, 2026 | 11 | — |
| May 20, 2026 | 14 | — |
| May 19, 2026 | 3 | — |
| May 18, 2026 | 2 | — |
| May 17, 2026 | 2 | — |
| May 16, 2026 | 3 | — |
| May 15, 2026 | 3 | — |
| Apr 21, 2026 | 9 | — |
| Apr 20, 2026 | 8 | — |
| Apr 19, 2026 | 9 | — |
| Apr 18, 2026 | 8 | — |
| Apr 17, 2026 | 7 | — |
| Apr 16, 2026 | 7 | — |
| Apr 15, 2026 | 7 | — |
| Apr 14, 2026 | 8 | — |
| Apr 13, 2026 | 7 | — |
| Apr 12, 2026 | 6 | — |
| Apr 11, 2026 | 5 | — |
| Apr 10, 2026 | 5 | — |
| Apr 9, 2026 | 6 | — |
| Apr 8, 2026 | 7 | — |
| Apr 7, 2026 | 8 | — |
| Apr 6, 2026 | 11 | — |
Station Information
- USGS Site No
- 03301940
- State
- KY
- County
- Jefferson County
- Coordinates
- 38.1492, -85.6788
- Drainage Area
- 11 mi²
- Datum (ft)
- 452.0
- HUC Code
- 05140102
Recent Extremes
- Max discharge
-
725 cfsOct 7, 2025
- Min discharge
-
1 cfsAug 26, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Fern Creek at Old Bardstown Road at Louisville, KYHigh3.9 mi · 7 cfs
-
South Fork Beargrass Creek at Louisville, KYNormal4.5 mi · 10 cfs
-
Penn Run at Mount Washington Road near Louisville, KYHigh4.7 mi · 7 cfs
-
Cedar Creek at Thixton Road Near Louisville, KYVery High5.9 mi · 37 cfs
-
M Fork Beargrass at Old Cannons Ln at Louisville, KYHigh6.1 mi · 25 cfs