Delaware River at Perry, KS
USGS Site No: 06890900 • Delaware River • Jefferson County, KS
Delaware River at Perry, KS on the Delaware River is currently at 502 cfs (Normal — 51th percentile for this date) . Gage height: 30.61 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 | 31 | |
| 25th | Low threshold | 85 | |
| 50th (Median) | Normal (median) | 438 | |
| 75th | High threshold | 1,940 | Today: 502 cfs |
| 95th | Very High threshold | 7,170 |
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 27, 2026 | 1,810 | — |
| May 26, 2026 | 1,820 | — |
| May 25, 2026 | 1,820 | — |
| May 24, 2026 | 1,790 | — |
| May 23, 2026 | 1,810 | — |
| May 22, 2026 | 1,050 | — |
| May 21, 2026 | 60 | — |
| May 20, 2026 | 84 | — |
| May 19, 2026 | 120 | — |
| May 18, 2026 | 170 | — |
| May 17, 2026 | 176 | — |
| May 16, 2026 | 178 | — |
| May 15, 2026 | 182 | — |
| Apr 20, 2026 | 178 | — |
| Apr 19, 2026 | 172 | — |
| Apr 18, 2026 | 166 | — |
| Apr 17, 2026 | 189 | — |
| Apr 16, 2026 | 180 | — |
| Apr 15, 2026 | 93 | — |
| Apr 14, 2026 | 104 | — |
| Apr 13, 2026 | 126 | — |
| Apr 12, 2026 | 77 | — |
| Apr 11, 2026 | 61 | — |
| Apr 10, 2026 | 19 | — |
| Apr 9, 2026 | 62 | — |
| Apr 8, 2026 | 74 | — |
| Apr 7, 2026 | 59 | — |
| Apr 6, 2026 | 54 | — |
| Apr 5, 2026 | 53 | — |
| Apr 4, 2026 | 68 | — |
Station Information
- USGS Site No
- 06890900
- State
- KS
- County
- Jefferson County
- Coordinates
- 39.0750, -95.4039
- Drainage Area
- 1,141 mi²
- Datum (ft)
- 799.7
- HUC Code
- 10270103
Recent Extremes
- Max discharge
-
1,820 cfsMay 25, 2026
- Min discharge
-
18 cfsOct 29, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Kansas River at Lecompton, KSNormal1.9 mi · 8,170 cfs
-
Kansas River at Lawrence, KSNormal11.6 mi · 8,610 cfs
-
Kansas River at Topeka, KSNormal13.2 mi · 7,600 cfs
-
Wakarusa River near Lawrence, KSNormal13.7 mi · 102 cfs
-
Shunganunga C at Topeka, KSVery High15.4 mi · 150 cfs