MEDIAN FLOW RATE · 1 YEAR
345cfs 17.5% vs avg
Optimal band: 32–44 cfs
PERIOD HIGH
4,297cfs
PERIOD LOW
3cfs
RUNNABLE
3%
last 1 year in band
Gauge Height
3.32ft
Weather Map
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Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
24.3in
≈ normal
24.34 in of precipitation so far this year — about average for this point in the season (normal 21.97 in).
YTD Total
24.3in
This year so far
Normal to Date
22.0in
30-yr average
Typical Range
16.3–26.6in
10th–90th pct YTD
Departure
+11%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.05" · normal 2.03" (1.0–3.2)
Feb: 0.64" · normal 2.04" (0.7–3.5)
Mar: 6.91" · normal 2.74" (1.5–3.9)
Apr: 5.91" · normal 4.21" (2.6–5.8)
May: 0.97" · normal 4.73" (2.2–7.7)
Jun: 7.83" · normal 4.43" (1.8–7.8)
Jul: 1.04" (so far)· normal 3.95" (1.6–6.7)
Aug: normal 3.41" (1.1–5.4)
Sep: normal 3.13" (1.3–6.2)
Oct: normal 2.91" (1.2–5.6)
Nov: normal 2.55" (1.2–4.6)
Dec: normal 2.16" (1.0–3.6)
Baseline 1991–2020 · Source: Open-Meteo16:52 UTC
Your History · BIG BUREAU CREEK AT PRINCETON, IL
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Station Location
41.3674, -89.4980Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #05556500·USGS
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