MEDIAN FLOW RATE · 30 DAY
697cfs 49.6% vs avg
Optimal band: 791–1,070 cfs
PERIOD HIGH
2,394cfs
PERIOD LOW
684cfs
RUNNABLE
74%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
27.9in
≈ normal
27.93 in of precipitation so far this year — about average for this point in the season (normal 25.27 in).
YTD Total
27.9in
This year so far
Normal to Date
25.3in
30-yr average
Typical Range
19.7–33.4in
10th–90th pct YTD
Departure
+11%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 4.13" · normal 4.62" (2.8–7.2)
Feb: 3.52" · normal 4.66" (2.0–7.1)
Mar: 2.79" · normal 4.74" (2.6–7.8)
Apr: 1.82" · normal 4.05" (2.1–6.4)
May: 9.65" · normal 3.51" (1.4–5.1)
Jun: 6.03" (so far)· normal 4.20" (2.3–7.7)
Jul: normal 4.38" (2.0–7.2)
Aug: normal 4.33" (1.9–6.7)
Sep: normal 3.79" (1.2–6.8)
Oct: normal 3.39" (1.0–6.4)
Nov: normal 3.92" (2.2–5.5)
Dec: normal 4.65" (3.0–6.7)
Baseline 1991–2020 · Source: Open-Meteo01:06 AM
Your History · CHATTAHOOCHEE RIVER ABOVE ROSWELL, GA
Track your history
Sign in to track your sessions at CHATTAHOOCHEE RIVER ABOVE ROSWELL, GA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
89°
67°
SAT
94°
73°
SUN
92°
73°
MON
97°
75°
TUE
98°
74°
WED
97°
77°
THU
100°
80°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
06:28 AM
SUNSET
08:52 PM
14H 24M OF DAYLIGHT19H 45M REMAINING
MOON PHASE
Waxing Gibbous
90% illuminated
Station Location
33.9858, -84.3157Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-27 01:07 UTC
Site #02335450·USGS
Create a free account to save favorites, set flow alerts, and track conditions