MEDIAN FLOW RATE · 1 YEAR
9cfs 61.2% vs avg
Optimal band: 11–15 cfs
PERIOD HIGH
5,617cfs
PERIOD LOW
1cfs
RUNNABLE
7%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
19.0in
≈ normal
19.03 in of precipitation so far this year — about average for this point in the season (normal 20.93 in).
YTD Total
19.0in
This year so far
Normal to Date
20.9in
30-yr average
Typical Range
15.5–28.5in
10th–90th pct YTD
Departure
-9%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.17" · normal 1.32" (0.6–2.5)
Feb: 0.43" · normal 1.80" (0.7–2.9)
Mar: 2.09" · normal 2.76" (1.1–4.6)
Apr: 5.85" · normal 4.28" (2.3–6.2)
May: 2.73" · normal 5.14" (2.2–8.2)
Jun: 5.71" · normal 4.71" (2.4–8.3)
Jul: 1.04" (so far)· normal 3.97" (1.3–8.7)
Aug: normal 3.51" (1.7–5.8)
Sep: normal 3.16" (1.5–6.2)
Oct: normal 2.84" (1.3–5.1)
Nov: normal 2.19" (1.0–3.6)
Dec: normal 1.74" (0.7–3.1)
Baseline 1991–2020 · Source: Open-Meteo09:49 AM
Your History · South Fork Chariton River near Promise City, IA
Track your history
Sign in to track your sessions at South Fork Chariton River near Promise City, IA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
40.8004, -93.1927Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #06903700·USGS
Create a free account to save favorites, set flow alerts, and track conditions
