Caulks Creek at Chesterfield, MO
USGS Site No: 06935830 • Caulks Creek • St. Louis County, MO
Caulks Creek at Chesterfield, MO on the Caulks Creek is currently at 13 cfs (Normal — 55th percentile for this date) . Gage height: 1.76 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 | 7 | |
| 25th | Low threshold | 8 | |
| 50th (Median) | Normal (median) | 11 | |
| 75th | High threshold | 22 | Today: 13 cfs |
| 95th | Very High threshold | 216 |
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 | 14 | — |
| May 27, 2026 | 14 | — |
| May 26, 2026 | 15 | — |
| May 25, 2026 | 16 | — |
| May 24, 2026 | 17 | — |
| May 23, 2026 | 20 | — |
| May 22, 2026 | 24 | — |
| May 21, 2026 | 34 | — |
| May 20, 2026 | 51 | — |
| May 19, 2026 | 108 | — |
| May 18, 2026 | 208 | — |
| May 17, 2026 | 12 | — |
| May 16, 2026 | 13 | — |
| May 15, 2026 | 12 | — |
| Apr 20, 2026 | 29 | — |
| Apr 19, 2026 | 50 | — |
| Apr 18, 2026 | 132 | — |
| Apr 17, 2026 | 39 | — |
| Apr 16, 2026 | 112 | — |
| Apr 15, 2026 | 52 | — |
| Apr 14, 2026 | 11 | — |
| Apr 13, 2026 | 11 | — |
| Apr 12, 2026 | 11 | — |
| Apr 11, 2026 | 11 | — |
| Apr 10, 2026 | 11 | — |
| Apr 9, 2026 | 12 | — |
| Apr 8, 2026 | 13 | — |
| Apr 7, 2026 | 14 | — |
| Apr 6, 2026 | 16 | — |
| Apr 5, 2026 | 27 | — |
Station Information
- USGS Site No
- 06935830
- State
- MO
- County
- St. Louis County
- Coordinates
- 38.6547, -90.5949
- Drainage Area
- 17 mi²
- Datum (ft)
- 451.4
- HUC Code
- 10300200
Recent Extremes
- Max discharge
-
327 cfsJul 21, 2025
- Min discharge
-
3 cfsFeb 1, 2026
Computed from the local daily-values archive.
Nearby Gauges
-
Bonhomme Creek Near Clarkson Valley, MONormal1.3 mi · 5 cfs
-
Creve Coeur Creek at Chesterfield, MONormal3.7 mi · 2 cfs
-
Bonhomme Creek Near Ellisville, MONormal5.2 mi · 1 cfs
-
Creve Coeur Creek Near Creve Coeur, MONormal6.1 mi · 7 cfs
-
Dardenne Creek at O'fallon, MONormal8.0 mi · 24 cfs