Around here
Around Black Cypress Bayou
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Black Cypress Bayou is a 23.0 mile river. Streamflow is measured at the USGS gauge Black Cypress Bayou at Jefferson, TX (site 07346045). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1969 to 2026
Black Cypress Bayou typically runs highest in March, at a median 473 cfs, and lowest in September, at 2.6 cfs. The highest flow on record for any single day is 12,000 cfs, in 2016.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 314 | 138 to 623 |
| February | 437 | 216 to 685 |
| March | 473 | 243 to 825 |
| April | 320 | 161 to 604 |
| May | 230 | 104 to 557 |
| June | 116 | 37 to 334 |
| July | 34 | 4.0 to 82 |
| August | 4.0 | 0.3 to 28 |
| September | 2.6 | 0.0 to 26 |
| October | 7.8 | 0.6 to 51 |
| November | 85 | 13 to 258 |
| December | 220 | 88 to 599 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 58 years of record. Statistics published by the US Geological Survey for Black Cypress Bayou at Jefferson, TX (site 07346045). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of Black Cypress Bayou, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Made to print
Put Black Cypress Bayou on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Black Cypress Bayou's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
