Kaukonahua Str at Waialua, Oahu, HI
USGS Site No: 16210500 • Kaukonahua Stream • Honolulu County, HI
Kaukonahua Str at Waialua, Oahu, HI on the Kaukonahua Stream is currently at 398 cfs (Very High — 95th percentile for this date) . Gage height: 19.28 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 0 | |
| 25th | Low threshold | 2 | |
| 50th (Median) | Normal (median) | 22 | |
| 75th | High threshold | 77 | |
| 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 | 401 | — |
| May 27, 2026 | 402 | — |
| May 26, 2026 | 403 | — |
| May 25, 2026 | 402 | — |
| May 24, 2026 | 402 | — |
| May 23, 2026 | 378 | — |
| May 22, 2026 | 372 | — |
| May 21, 2026 | 367 | — |
| May 20, 2026 | 367 | — |
| May 19, 2026 | 371 | — |
| May 18, 2026 | 366 | — |
| May 17, 2026 | 365 | — |
| May 16, 2026 | 340 | — |
| May 15, 2026 | 270 | — |
| Apr 20, 2026 | 262 | — |
| Apr 19, 2026 | 265 | — |
| Apr 18, 2026 | 269 | — |
| Apr 17, 2026 | 272 | — |
| Apr 16, 2026 | 277 | — |
| Apr 15, 2026 | 282 | — |
| Apr 14, 2026 | 289 | — |
| Apr 13, 2026 | 310 | — |
| Apr 12, 2026 | 319 | — |
| Apr 11, 2026 | 419 | — |
| Apr 10, 2026 | 1,110 | — |
| Apr 9, 2026 | 278 | — |
| Apr 8, 2026 | 275 | — |
| Apr 7, 2026 | 278 | — |
| Apr 6, 2026 | 279 | — |
| Apr 5, 2026 | 286 | — |
Station Information
- USGS Site No
- 16210500
- State
- HI
- County
- Honolulu County
- Coordinates
- 21.5653, -158.1204
- Drainage Area
- 39 mi²
- Datum (ft)
- 15.0
- HUC Code
- 20060000
Flood Stage Thresholds
- Flood Stage
- 28.0 ft
Currently 8.72 ft below flood stage.
Recent Extremes
- Max discharge
-
5,600 cfsMar 13, 2026
- Min discharge
-
4 cfsSep 29, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Makaha Str near Makaha, Oahu, HINormal5.8 mi · 0 cfs
-
Wahiawa Ditch at Wahiawa, Oahu, HINormal6.3 mi · 9 cfs
-
Kaukonahua Stream below Wahiawa Reservoir, Oahu, HIVery High6.3 mi · 132 cfs
-
Kamananui Str at Maunawai, Oahu, HINormal6.4 mi · 6 cfs
-
Kaupuni Str at Alt 374 Ft near Waianae, Oahu, HINormal7.0 mi · 0 cfs