MEDIAN FLOW RATE · 7 DAY
9cfs 61.3% vs avg
Optimal band: 14–18 cfs
PERIOD HIGH
41cfs
PERIOD LOW
9cfs
RUNNABLE
13%
last 7 day in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
33.2in
+32% vs normal
33.2 in of precipitation so far this year, 32% above the 30-year normal of 25.25 in for this point in the season.
YTD Total
33.2in
This year so far
Normal to Date
25.3in
30-yr average
Typical Range
15.8–36.3in
10th–90th pct YTD
Departure
+32%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.39" · normal 4.03" (1.6–6.2)
Feb: 1.54" · normal 3.57" (1.1–5.8)
Mar: 2.98" · normal 3.53" (1.4–5.9)
Apr: 4.98" · normal 4.24" (1.3–6.9)
May: 10.66" · normal 3.91" (1.2–7.1)
Jun: 10.15" · normal 4.66" (1.7–7.4)
Jul: 0.50" (so far)· normal 3.37" (1.2–6.2)
Aug: normal 3.71" (1.1–6.2)
Sep: normal 4.38" (1.2–7.8)
Oct: normal 4.28" (1.1–8.5)
Nov: normal 4.05" (1.2–6.5)
Dec: normal 4.29" (2.1–5.9)
Baseline 1991–2020 · Source: Open-Meteo03:45 PM
Your History · Willow Ck nr Tomball, TX
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Station Location
30.1055, -95.5466Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC
Site #08068325·USGS
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