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PROVISIONAL DATA SUBJECT TO REVISION


USGS 04213319 CHAUTAUQUA CREEK BELOW WESTFIELD NY


Discharge, cubic feet per second

Most recent instantaneous value: 30.6 08-08-2026   14:00 ESTNext
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 8 water years of record more
Min
(2025)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Max
(2019)
4.88 6.3 13 17 30 30.6 43.7

USGS 04213376 CANADAWAY CREEK AT FREDONIA NY


Discharge, cubic feet per second, DOWNSTREAM

Most recent instantaneous value: 39.4 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 8 water years of record more
Min
(2025)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Max
(2023)
2.78 4.3 14 16 21 39.4 49.9

USGS 04213394 SILVER CREEK AT US ROUTE 20 AT SILVER CREEK NY


Discharge, cubic feet per second

Most recent instantaneous value: 6.48 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 8 water years of record more
Min
(2022)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Aug 8
75th
percen-
tile
Max
(2023)
1.35 1.5 2.8 4.6 6.48 9 9.93

USGS 04213401 WALNUT CREEK AT US ROUTE 20 AT SILVER CREEK NY


Discharge, cubic feet per second

Most recent instantaneous value: 13.7 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 8 water years of record more
Min
(2022)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Max
(2023)
1.59 2.3 5.9 7 8 13.7 21.6

USGS 04213500 CATTARAUGUS CREEK AT GOWANDA NY


Discharge, cubic feet per second

Most recent instantaneous value: 240 08-08-2026   14:15 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 84 water years of record more
Min
(1941)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Aug 8
Mean 75th
percen-
tile
Max
(1977)
69.0 130 171 240 257 272 1460

USGS 04214060 BIG SISTER CREEK AT EVANS CENTER NY


Discharge, cubic feet per second

Most recent instantaneous value: 11.9 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 8 water years of record more
Min
(2025)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Aug 8
75th
percen-
tile
Max
(2018)
0.45 3.6 5.3 9.6 11.9 18 29.6

USGS 0421422210 EIGHTEENMILE CREEK AT HAMBURG NY


Discharge, cubic feet per second

Most recent instantaneous value: 20.8 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 8 water years of record more
Min
(2025)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Aug 8
75th
percen-
tile
Max
(2023)
4.48 6.8 9.9 20 20.8 31 70.8

USGS 04214231 S BR EIGHTEENMILE CR AT BLEY RD AT EDEN VALLEY


Discharge, cubic feet per second

Most recent instantaneous value: 12.5 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 8 water years of record more
Min
(2025)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Aug 8
75th
percen-
tile
Max
(2018)
1.62 3.4 5.1 8.6 12.5 17 20.8

USGS 04214500 BUFFALO CREEK AT GARDENVILLE NY


Discharge, cubic feet per second

Most recent instantaneous value: 148 08-08-2026   14:15 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 87 water years of record more
Min
(1966)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Max
(1977)
5.20 14 21 45 46 148 363

USGS 04215000 CAYUGA CREEK NEAR LANCASTER NY


Discharge, cubic feet per second

Most recent instantaneous value: 33.3 08-08-2026   14:30 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 82 water years of record more
Min
(1939)
25th
percen-
tile
Median 75th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Mean Max
(1977)
0.30 3.2 7.5 20 33.3 35 1030

USGS 04215500 CAZENOVIA CREEK AT EBENEZER NY


Discharge, cubic feet per second

Most recent instantaneous value: 141 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 86 water years of record more
Min
(1949)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Max
(1977)
5.10 13 25 43 48 141 294

USGS 04219768 EIGHTEENMILE CREEK AT BURT NY


Discharge, cubic feet per second

Most recent instantaneous value: 183 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 14 water years of record more
Min
(2017)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(2012)
Most Recent
Instantaneous
Value Aug 8
45.8 63 83 86 108 154 183

USGS 04219915 JOHNSON CREEK AT KUCKVILLE NY


Discharge, cubic feet per second

Most recent instantaneous value: 59.9 08-08-2026   14:30 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 5 water years of record more
Min
(2022)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Aug 8
75th
percen-
tile
Max
(2023)
7.46 9.9 31 44 59.9 84 136

USGS 0422016550 OAK ORCHARD CREEK NEAR KENYONVILLE NY


Discharge, cubic feet per second

Most recent instantaneous value: 534 08-08-2026   14:15 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 13 water years of record more
Min
(2016)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(2017)
Most Recent
Instantaneous
Value Aug 8
170 197 249 290 393 462 534

USGS 04220223 SANDY CREEK AT NORTH HAMLIN NY


Discharge, cubic feet per second

Most recent instantaneous value: 65.6 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 8 water years of record more
Min
(2018)
25th
percen-
tile
Median 75th
percen-
tile
Mean Most Recent
Instantaneous
Value Aug 8
Max
(2023)
32.1 40 45 49 52 65.6 120

USGS 04231600 GENESEE RIVER AT FORD STREET BRIDGE, ROCHESTER NY


Discharge, cubic feet per second

Most recent instantaneous value: 482 08-08-2026   14:30 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 74 water years of record more
Min
(2001)
Most Recent
Instantaneous
Value Aug 8
25th
percen-
tile
Median 75th
percen-
tile
Mean Max
(1977)
263 482 547 726 1130 1140 5920

USGS 0423205010 IRONDEQUOIT CR ABOVE BLOSSOM RD NEAR ROCHESTER NY


Discharge, cubic feet per second

Most recent instantaneous value: 93.6 08-08-2026   14:15 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 45 water years of record more
Min
(2001)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Max
(1986)
30.0 46 56 83 86 93.6 505

USGS 04249000 OSWEGO RIVER AT LOCK 7, OSWEGO NY


Discharge, cubic feet per second

Most recent instantaneous value: 1870 08-08-2026   14:45 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 92 water years of record more
Min
(1954)
25th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Median Mean 75th
percen-
tile
Max
(1992)
520 1380 1870 2120 2750 3190 13400

USGS 04250200 SALMON RIVER AT PINEVILLE NY


Discharge, cubic feet per second

Most recent instantaneous value: 252 08-08-2026   14:15 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 33 water years of record more
Min
(1995)
25th
percen-
tile
Most Recent
Instantaneous
Value Aug 8
Median Mean 75th
percen-
tile
Max
(2008)
72.0 219 252 254 368 417 1400

USGS 04250750 SANDY CREEK NEAR ADAMS NY


Discharge, cubic feet per second

Most recent instantaneous value: 39.1 08-08-2026   14:00 ESTPrev   Next
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Daily discharge, cubic feet per second -- statistics for Aug 8 based on 61 water years of record more
Min
(1964)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Aug 8
75th
percen-
tile
Mean Max
(2008)
3.00 10 18 39.1 65 81 923