USGS · 295447091191500

MIDDLE FORK BAYOU LONG

USGS · 295447091191500LIVE

Middle Fork Bayou Long at Bayou Long

SAINT MARTIN PARISH, LA29.9131°N, -91.3208°W

AIR TEMP

86°F

WIND

5mph E

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

29.9in

≈ normal

29.9 in of precipitation so far this year — about average for this point in the season (normal 26.6 in).

YTD Total

29.9in

This year so far

Normal to Date

26.6in

30-yr average

Typical Range

18.0–33.8in

10th–90th pct YTD

Departure

+12%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 3.15" · normal 4.72" (2.7–7.5)

Jan

Feb: 2.04" · normal 4.25" (1.8–6.7)

Feb

Mar: 4.15" · normal 4.33" (1.9–7.2)

Mar

Apr: 1.94" · normal 4.35" (1.0–7.4)

Apr

May: 10.31" · normal 3.87" (0.7–6.8)

May

Jun: 7.38" · normal 4.81" (2.2–8.8)

Jun

Jul: 0.93" (so far)· normal 5.85" (3.0–8.8)

Jul

Aug: normal 5.73" (2.6–11.6)

Aug

Sep: normal 4.55" (1.6–8.6)

Sep

Oct: normal 3.67" (0.2–7.2)

Oct

Nov: normal 3.57" (1.5–6.5)

Nov

Dec: normal 4.03" (2.2–6.2)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:10 PM

Your History · Middle Fork Bayou Long at Bayou Long

Track your history

Sign in to track your sessions at Middle Fork Bayou Long at Bayou Long — best days, monthly trends, and time on the water.

Station Location

29.9131, -91.3208

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-02 15:38 UTC

Site #295447091191500·USGS

Create a free account to save favorites, set flow alerts, and track conditions