MEDIAN FLOW RATE · 1 YEAR
760cfs 32.4% vs avg
Optimal band: 712–964 cfs
PERIOD HIGH
10,893cfs
PERIOD LOW
41cfs
RUNNABLE
9%
last 1 year in band
Gauge Height
2.00ft
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
25.3in
≈ normal
25.3 in of precipitation so far this year — about average for this point in the season (normal 23.01 in).
YTD Total
25.3in
This year so far
Normal to Date
23.0in
30-yr average
Typical Range
18.0–28.1in
10th–90th pct YTD
Departure
+10%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.29" · normal 3.21" (1.8–4.6)
Feb: 1.65" · normal 2.53" (1.6–4.2)
Mar: 4.90" · normal 3.40" (2.3–4.7)
Apr: 6.02" · normal 4.09" (2.9–5.8)
May: 4.13" · normal 4.10" (2.8–5.9)
Jun: 3.67" · normal 4.30" (2.3–6.3)
Jul: 1.64" (so far)· normal 4.03" (2.4–6.5)
Aug: normal 3.71" (2.1–5.5)
Sep: normal 3.78" (2.1–5.6)
Oct: normal 3.78" (2.2–5.7)
Nov: normal 3.18" (1.6 –4.6)
Dec: normal 3.34" (2.2–4.5)
Baseline 1991–2020 · Source: Open-Meteo06:34 UTC
Your History · ALLEGHENY RIVER AT OLEAN NY
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Weather Conditions
WEATHER CONDITIONS
TODAY
85°
58°
MON
88°
64°
TUE
89°
61°
WED
89°
69°
THU
81°
60°
FRI
78°
56°
SAT
76°
58°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:49 AM
SUNSET
08:49 PM
15H 0M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated
Station Location
42.0724, -78.4509Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #03010820·USGS
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