MEDIAN FLOW RATE · 1 YEAR
662cfs 43.7% vs avg
Optimal band: 156–210 cfs
PERIOD HIGH
10,037cfs
PERIOD LOW
101cfs
RUNNABLE
30%
last 1 year in band
Gauge Height
14.46ft
Water Temperature
83.5°F
Water Turbidity
Weather Map
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Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.3in
≈ normal
20.33 in of precipitation so far this year — about average for this point in the season (normal 19.73 in).
YTD Total
20.3in
This year so far
Normal to Date
19.7in
30-yr average
Typical Range
14.8–25.5in
10th–90th pct YTD
Departure
+3%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.32" · normal 0.94" (0.4–1.5)
Feb: 0.42" · normal 1.28" (0.3–2.3)
Mar: 1.69" · normal 2.31" (0.9–3.9)
Apr: 4.91" · normal 3.64" (1.8–4.9)
May: 4.22" · normal 5.51" (2.1–9.1)
Jun: 5.55" · normal 4.32" (2.1–7.1)
Jul: 2.22" (so far)· normal 4.05" (1.4–6.2)
Aug: normal 3.33" (1.3–5.3)
Sep: normal 2.72" (1.0–4.8)
Oct: normal 2.68" (0.9–4.5)
Nov: normal 1.71" (0.3–3.5)
Dec: normal 1.32" (0.3–2.6)
Baseline 1991–2020 · Source: Open-Meteo22:40 UTC
Your History · BIG BLUE R AT MARYSVILLE, KS
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Station Location
39.8419, -96.6622Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #06882510·USGS
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