MEDIAN FLOW RATE · 1 YEAR
285cfs 10.3% vs avg
Optimal band: 35–47 cfs
PERIOD HIGH
7,295cfs
PERIOD LOW
13cfs
RUNNABLE
24%
last 1 year in band
Gauge Height
4.86ft
Weather Map
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Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
21.0in
≈ normal
21.03 in of precipitation so far this year — about average for this point in the season (normal 19.87 in).
YTD Total
21.0in
This year so far
Normal to Date
19.9in
30-yr average
Typical Range
14.4–26.6in
10th–90th pct YTD
Departure
+6%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.33" · normal 0.95" (0.4–1.6)
Feb: 0.48" · normal 1.32" (0.3–2.4)
Mar: 0.95" · normal 2.44" (1.0–4.1)
Apr: 4.67" · normal 3.75" (1.8–5.0)
May: 5.13" · normal 5.35" (2.2–9.1)
Jun: 5.60" · normal 4.32" (1.9–7.0)
Jul: 2.87" (so far)· normal 4.08" (1.4–6.2)
Aug: normal 3.38" (1.2–5.3)
Sep: normal 2.77" (1.0–4.9)
Oct: normal 2.70" (0.8–4.5)
Nov: normal 1.79" (0.5–3.7)
Dec: normal 1.37" (0.3–2.5)
Baseline 1991–2020 · Source: Open-Meteo22:39 UTC
Your History · BLACK VERMILLION R NR FRANKFORT, KS
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Station Location
39.6819, -96.4428Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #06885500·USGS
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