Kahana Str at Alt 30 Ft near Kahana, Oahu, HI
USGS Site No: 16296500 • Kahana Stream • Honolulu County, HI
Kahana Str at Alt 30 Ft near Kahana, Oahu, HI on the Kahana Stream is currently at 55 cfs (High — 79th percentile for this date) . Gage height: 4.55 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 | 15 | |
| 25th | Low threshold | 17 | |
| 50th (Median) | Normal (median) | 23 | |
| 75th | High threshold | 33 | |
| 95th | Very High threshold | 135 | Today: 55 cfs |
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 | 59 | — |
| May 27, 2026 | 61 | — |
| May 26, 2026 | 63 | — |
| May 25, 2026 | 65 | — |
| May 24, 2026 | 71 | — |
| May 23, 2026 | 78 | — |
| May 22, 2026 | 84 | — |
| May 21, 2026 | 102 | — |
| May 20, 2026 | 124 | — |
| May 19, 2026 | 176 | — |
| May 18, 2026 | 428 | — |
| May 17, 2026 | 396 | — |
| May 16, 2026 | 397 | — |
| May 15, 2026 | 527 | — |
| Mar 30, 2026 | 99 | — |
| Mar 29, 2026 | 105 | — |
| Mar 28, 2026 | 114 | — |
| Mar 27, 2026 | 126 | — |
| Mar 26, 2026 | 129 | — |
| Mar 25, 2026 | 146 | — |
| Mar 24, 2026 | 188 | — |
| Mar 23, 2026 | 412 | — |
| Mar 22, 2026 | 183 | — |
| Mar 21, 2026 | 390 | — |
| Mar 20, 2026 | 1,230 | — |
| Mar 19, 2026 | 109 | — |
| Mar 18, 2026 | 43 | — |
| Mar 17, 2026 | 50 | — |
| Mar 16, 2026 | 63 | — |
| Mar 15, 2026 | 110 | — |
Station Information
- USGS Site No
- 16296500
- State
- HI
- County
- Honolulu County
- Coordinates
- 21.5406, -157.8826
- Drainage Area
- 4 mi²
- Datum (ft)
- 30.0
- HUC Code
- 20060000
Flood Stage Thresholds
- Flood Stage
- 10.0 ft
- Major Flood
- 14.2 ft
Currently 5.45 ft below flood stage.
Recent Extremes
- Max discharge
-
1,230 cfsMar 20, 2026
- Min discharge
-
13 cfsOct 15, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
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Punaluu Str above Punaluu Ditch Intake, Oahu, HIHigh1.5 mi · 27 cfs
-
Waikane Str at Alt 75 Ft at Waikane, Oahu, HIHigh3.3 mi · 14 cfs
-
Kaluanui Stream near Punaluu, Oahu, HINormal3.5 mi · 1 cfs
-
Nf Kaukonahua Str above Rb, near Wahiawa, Oahu, HINormal4.4 mi · 6 cfs
-
Waiahole Stream Above Kamehameha Highway, Oahu, HINormal4.7 mi · 35 cfs