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Chemung River Basin Data Summary
| Lake Data |
| Gage |
Date/Time |
Latest
Storage
(ac-ft) |
Elevation (ft) |
| Latest |
Normal Pool |
Spillway Crest |
6 Hour Change |
24 Hour Change |
| Tioga |
10May2026, 06:00 |
10271 |
1081.64 |
1081.0 |
1131.0 |
0.13 |
0.28 |
| Hammond |
10May2026, 06:00 |
9227 |
1086.64 |
1086.0 |
1131.0 |
0.06 |
0.16 |
| Cowanesque |
10May2026, 06:00 |
31289 |
1081.34 |
1080.0 |
1117.0 |
-0.02 |
0.15 |
| Almond |
10May2026, 07:00 |
1164 |
1262.26 |
1260.0 |
1300.0 |
0.73 |
1.11 |
| Arkport |
10May2026, 07:00 |
0 |
1227.07 |
1218.0 |
1304.0 |
-0.05 |
-0.02 |
| Inflow Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Middlebury |
10May2026, 06:00 |
154 |
40.3 |
-- |
0.2 |
0.6 |
| Corey Creek |
10May2026, 06:15 |
18 |
2.0 |
-- |
0.1 |
0.2 |
| Mansfield |
10May2026, 06:00 |
381 |
1.4 |
12.0 |
0.0 |
0.5 |
| Westfield |
10May2026, 06:15 |
325 |
1.9 |
-- |
0.3 |
0.6 |
| Elkland |
10May2026, 07:00 |
802 |
17.9 |
-- |
0.4 |
1.0 |
| Outflow Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Tioga River |
10May2026, 06:00 |
640 |
2.5 |
-- |
-0.0 |
0.4 |
| Lawrenceville |
10May2026, 07:00 |
788 |
8.6 |
13.0 |
0.0 |
0.5 |
| Canacadea Creek |
10May2026, 06:00 |
117 |
1.6 |
-- |
-0.0 |
0.1 |
| DS Arkport |
10May2026, 06:00 |
138 |
1.8 |
-- |
0.3 |
0.4 |
| Downstream Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Tioga Junction |
10May2026, 06:00 |
766 |
8.5 |
15.0 |
0.0 |
0.4 |
| Lindley |
10May2026, 07:00 |
1619 |
6.1 |
17.0 |
0.0 |
0.9 |
| Hornell |
10May2026, 06:00 |
495 |
2.4 |
5.5 |
0.2 |
0.4 |
| West Cameron |
10May2026, 07:00 |
1158 |
6.5 |
17.0 |
0.6 |
0.9 |
| South Addison |
10May2026, 06:00 |
280 |
3.4 |
11.0 |
0.1 |
0.5 |
| Erwins |
10May2026, 06:45 |
3105 |
4.1 |
18.0 |
-0.1 |
0.7 |
| Corning |
10May2026, 07:00 |
4851 |
17.5 |
26.0 |
0.0 |
0.4 |
| Elmira |
10May2026, 06:30 |
5569 |
3.8 |
12.0 |
0.2 |
0.5 |
| Chemung |
10May2026, 07:00 |
5985 |
6.2 |
16.0 |
0.2 |
0.5 |
| Other Stream Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Bath |
10May2026, 06:30 |
1265 |
5.2 |
15.7 |
0.4 |
0.5 |
| Campbell |
10May2026, 06:00 |
1633 |
4.8 |
10.0 |
0.2 |
0.1 |
| Avoca |
10May2026, 06:30 |
732 |
4.1 |
-- |
0.1 |
0.2 |
| Precipitation Data |
| Gage |
Date/Time |
6 Hour (in) |
24 Hour (in) |
48 Hour (in) |
| Arkport |
10May2026, 07:00 |
0.00 |
0.32 |
0.46 |
| Almond |
10May2026, 07:00 |
-0.00 |
0.31 |
0.48 |
| Wellsville |
10May2026, 06:00 |
0.02 |
0.51 |
0.66 |
| Elkland |
10May2026, 07:00 |
0.00 |
0.20 |
0.42 |
| Cowanesque |
10May2026, 06:00 |
0.00 |
0.24 |
0.38 |
| Middlebury |
10May2026, 06:00 |
0.00 |
0.30 |
0.38 |
| Mansfield |
10May2026, 06:00 |
0.02 |
0.32 |
0.47 |
| Air Temperature Data |
| Gage |
Date/Time |
Latest (F) |
24 Hour High (F) |
24 Hour Low (F) |
| Cowanesque |
10May2026, 06:00 |
51.0 |
65.0 |
49.0 |
| Tioga |
No Data |
No Data |
No Data |
No Data |
| Conductance Data |
| Gage |
Date/Time |
Latest (umho/cm) |
6 Hour Change (umho/cm) |
24 Hour Change (umho/cm) |
| Mansfield |
10May2026, 06:00 |
131.0 |
-6.0 |
-20.0 |
| Tioga Junction |
10May2026, 06:00 |
133.0 |
4.0 |
2.0 |
| pH Data |
| Gage |
Date/Time |
Latest (su) |
6 Hour Change (su) |
24 Hour Change (su) |
| Mansfield |
10May2026, 06:00 |
7.2 |
0.0 |
0.4 |
| Tioga Junction |
10May2026, 06:00 |
7.3 |
-0.1 |
0.0 |
| Water Temperature Data |
| Gage |
Date/Time |
Latest (F) |
24 Hour High (F) |
24 Hour Low (F) |
| Lawrenceville |
10May2026, 07:00 |
52.9 |
53.4 |
52.7 |
| Mansfield |
10May2026, 06:00 |
48.9 |
51.3 |
48.9 |
| Tioga Junction |
10May2026, 06:00 |
53.1 |
54.7 |
52.5 |
Last Updated: 10May2026, 07:09
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