Around here
Around Cypress Bayou
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Cypress Bayou is a 10.7 mile river. Streamflow is measured at the USGS gauge Cypress Bayou near Keithville, LA (site 07351500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1939 to 2025
Cypress Bayou typically runs highest in February, at a median 33 cfs, and lowest in September, at 0.0 cfs. The highest flow on record for any single day is 16,600 cfs, in 1999.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 20 | 6.5 to 59 |
| February | 33 | 10 to 103 |
| March | 24 | 11 to 62 |
| April | 11 | 6.3 to 30 |
| May | 7.4 | 2.4 to 25 |
| June | 3.5 | 0.6 to 11 |
| July | 0.6 | 0.0 to 3.2 |
| August | 0.1 | 0.0 to 1.3 |
| September | 0.0 | 0.0 to 0.7 |
| October | 0.1 | 0.0 to 1.2 |
| November | 1.4 | 0.0 to 6.4 |
| December | 8.0 | 1.8 to 36 |
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 60 years of record. Statistics published by the US Geological Survey for Cypress Bayou near Keithville, LA (site 07351500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put 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 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.
