MEDIAN FLOW RATE · 30 DAY
51cfs 10.9% vs avg
Optimal band: 76–102 cfs
PERIOD HIGH
477cfs
PERIOD LOW
51cfs
RUNNABLE
39%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
21.3in
≈ normal
21.29 in of precipitation so far this year — about average for this point in the season (normal 21.45 in).
YTD Total
21.3in
This year so far
Normal to Date
21.4in
30-yr average
Typical Range
16.6–26.4in
10th–90th pct YTD
Departure
-1%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.30" · normal 3.24" (1.7–4.8)
Feb: 1.32" · normal 3.09" (1.7–4.2)
Mar: 3.77" · normal 3.85" (1.7–5.5)
Apr: 3.30" · normal 3.92" (1.9–5.8)
May: 5.76" · normal 3.13" (1.3–5.2)
Jun: 4.80" · normal 3.71" (1.8–5.7)
Jul: 0.04" (so far)· normal 3.11" (1.7–4.9)
Aug: normal 3.11" (1.3–5.5)
Sep: normal 3.52" (1.3–6.2)
Oct: normal 4.57" (1.2–7.2)
Nov: normal 3.66" (2.2–5.2)
Dec: normal 4.13" (2.2–6.0)
Baseline 1991–2020 · Source: Open-Meteo04:34 AM
Your History · Royal River at Yarmouth, Maine
Track your history
Sign in to track your sessions at Royal River at Yarmouth, Maine — best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
43.7991, -70.1783Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #01060000·USGS
Create a free account to save favorites, set flow alerts, and track conditions