MEDIAN FLOW RATE · 1 YEAR
188cfs
Optimal band: 298–404 cfs
PERIOD HIGH
862cfs
PERIOD LOW
138cfs
RUNNABLE
10%
last 1 year in band
Gauge Height
9.55ft
Weather Map
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Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
37.9in
+38% vs normal
37.92 in of precipitation so far this year, 38% above the 30-year normal of 27.48 in for this point in the season.
YTD Total
37.9in
This year so far
Normal to Date
27.5in
30-yr average
Typical Range
18.3–36.2in
10th–90th pct YTD
Departure
+38%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.81" · normal 4.42" (1.9–6.9)
Feb: 3.33" · normal 4.00" (1.3–7.2)
Mar: 4.66" · normal 4.76" (2.3–7.7)
Apr: 4.59" · normal 4.69" (1.9–6.8)
May: 7.80" · normal 4.19" (1.5–7.8)
Jun: 11.53" · normal 3.99" (1.8–6.5)
Jul: 3.19" (so far)· normal 3.11" (1.1–5.6)
Aug: normal 3.38" (0.4–5.9)
Sep: normal 3.82" (1.4–7.1)
Oct: normal 4.47" (0.9–8.4)
Nov: normal 3.91" (1.6–6.5)
Dec: normal 4.68" (2.7–6.6)
Baseline 1991–2020 · Source: Open-Meteo10:57 UTC
Your History · Ayish Bayou nr San Augustine, TX
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Station Location
31.3963, -94.1510Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-18 00:00 UTC
Site #08039100·USGS
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