Waterlands
Allegheny River
USGS · 03010820
ALLEGHENY RIVER
USGS · 03010820LIVE

ALLEGHENY RIVER AT OLEAN NY

CITY OF OLEAN, NY42.0724°N, -78.4509°W Updated 7 hr ago
FLOW RATE
760cfs
GAUGE HT
2.00ft
AIR TEMP
60°F
WIND
2mph SSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
760cfs 32.4% vs avg
Optimal band: 712964 cfs
PERIOD HIGH
10,893cfs
PERIOD LOW
41cfs
RUNNABLE
9%
last 1 year in band

Gauge Height

2.00ft
Precipitation History

Precipitation · YTD

Normal

Near-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)
Jan
Feb: 1.65" · normal 2.53" (1.6–4.2)
Feb
Mar: 4.90" · normal 3.40" (2.3–4.7)
Mar
Apr: 6.02" · normal 4.09" (2.9–5.8)
Apr
May: 4.13" · normal 4.10" (2.8–5.9)
May
Jun: 3.67" · normal 4.30" (2.3–6.3)
Jun
Jul: 1.64" (so far)· normal 4.03" (2.4–6.5)
Jul
Aug: normal 3.71" (2.1–5.5)
Aug
Sep: normal 3.78" (2.1–5.6)
Sep
Oct: normal 3.78" (2.2–5.7)
Oct
Nov: normal 3.18" (1.6–4.6)
Nov
Dec: normal 3.34" (2.2–4.5)
Dec
Baseline 19912020 · 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°
TIME
SUN
8
NOW
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
TEMP
hourly forecast
66°
mild
66°
70°
74°
77°
80°
82°
83°
84°
85°
85°
84°
83°
80°
75°
71°
70°
68°
67°
66°
66°
65°
65°
64°
66°
73°
77°
80°
82°
84°
86°
88°
88°
88°
87°
87°
83°
76°
69°
68°
67°
66°
66°
64°
63°
62°
61°
61°
63°
69°
75°
80°
83°
86°
88°
89°
89°
89°
88°
86°
82°
79°
76°
75°
75°
75°
75°
74°
73°
74°
73°
72°
72°
75°
79°
82°
84°
86°
88°
89°
88°
87°
85°
82°
78°
74°
70°
69°
69°
69°
68°
67°
67°
67°
63°
63°
64°
68°
72°
74°
75°
77°
79°
80°
81°
79°
79°
76°
73°
71°
67°
63°
60°
59°
58°
58°
WIND
mph · gust · dir
1mph NE
G 11 mph
1
G11
NE
3
G9
NE
4
G6
NE
4
G5
NE
4
NE
4
NNE
4
NNE
4
G5
NNE
5
G6
NNE
7
G8
NNE
6
G7
NNE
6
G8
NNE
6
G10
NE
3
G5
NE
3
G5
NE
3
SE
1
NNE
0
G1
NW
1
G2
SE
3
G4
ESE
2
G3
NE
3
ENE
4
ENE
4
E
2
G12
WSW
6
G11
WSW
7
G10
WSW
8
G11
W
6
G8
WSW
5
G7
W
5
G8
W
6
G8
W
6
G8
W
5
G7
W
6
G8
WNW
5
G9
NW
4
E
2
NNE
1
G2
WNW
0
G1
SE
3
SSW
6
SSW
3
G5
SW
4
G6
SSW
4
SW
4
SW
4
SW
4
G6
SW
5
G20
SW
8
G17
WSW
9
G17
W
10
G15
W
11
G15
W
11
G15
W
11
G15
W
12
G15
W
12
G15
W
12
G15
W
10
G17
W
10
G21
W
9
G25
W
9
G28
W
9
G30
WSW
9
G31
WSW
10
G32
W
10
G34
W
10
G34
W
10
G35
W
10
G34
W
10
G31
WNW
9
G27
W
8
G25
WNW
8
G24
W
11
G20
WNW
12
G20
WNW
12
G18
WNW
11
G17
WNW
11
G17
WNW
11
G15
WNW
12
G17
WNW
12
G17
NW
11
G16
WNW
7
G14
WNW
7
G14
NW
6
G15
NW
3
WNW
2
G3
WNW
3
WNW
3
W
3
W
3
WSW
4
SW
4
G11
SW
3
W
3
W
4
W
6
G21
W
9
G23
WNW
11
G20
WNW
12
G18
WNW
11
G17
WNW
12
G18
WNW
12
G17
WNW
12
G18
WNW
12
G21
WNW
12
G20
WNW
11
G20
WNW
10
G23
WNW
9
G24
WNW
7
G19
WNW
4
G10
WNW
2
G3
NW
2
WNW
2
W
2
WSW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
1%
1%
1%
1%
0%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
4%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
5%
5%
5%
5%
5%
5%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
3%
3%
3%
3%
3%
3%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
0%
3%
11%
23%
12%
5%
7%
0%
0%
0%
9%
100%
100%
100%
100%
100%
100%
86%
44%
54%
27%
33%
18%
22%
53%
42%
43%
75%
32%
28%
5%
100%
100%
100%
100%
100%
100%
15%
5%
14%
0%
0%
6%
6%
92%
57%
0%
5%
0%
58%
60%
90%
100%
100%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
0%
0%
5%
5%
0%
0%
6%
6%
10%
100%
25%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
63%
37%
100%
100%
100%
100%
100%
94%
87%
81%
83%
86%
81%
PRESSURE
hPa · trend
972
972974973971973974971971971969967966966965964964965965965967
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
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, -78.4509
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #03010820·USGS

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