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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 |
25Jan2026, 00:00 |
10869 |
1082.80 |
1081.0 |
1131.0 |
-0.06 |
-0.23 |
| Hammond |
25Jan2026, 00:00 |
9511 |
1087.05 |
1086.0 |
1131.0 |
-0.02 |
-0.09 |
| Cowanesque |
25Jan2026, 00:00 |
31193 |
1081.25 |
1080.0 |
1117.0 |
0.00 |
-0.05 |
| Almond |
25Jan2026, 00:00 |
882 |
1260.31 |
1260.0 |
1300.0 |
0.09 |
0.09 |
| Arkport |
25Jan2026, 00:00 |
0 |
1227.09 |
1218.0 |
1304.0 |
0.01 |
0.01 |
| Inflow Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Middlebury |
25Jan2026, 00:00 |
15 |
39.0 |
-- |
-0.0 |
0.0 |
| Corey Creek |
25Jan2026, 00:15 |
10 |
1.8 |
-- |
0.1 |
0.2 |
| Mansfield |
25Jan2026, 00:00 |
389 |
1.4 |
12.0 |
0.1 |
0.5 |
| Westfield |
25Jan2026, 00:15 |
33 |
0.1 |
-- |
-0.1 |
0.1 |
| Elkland |
25Jan2026, 00:00 |
245 |
17.0 |
-- |
-0.1 |
0.1 |
| Outflow Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Tioga River |
25Jan2026, 00:00 |
187 |
1.1 |
-- |
-0.0 |
-0.0 |
| Lawrenceville |
25Jan2026, 00:00 |
85 |
7.4 |
13.0 |
-0.0 |
-0.1 |
| Canacadea Creek |
25Jan2026, 00:00 |
1 |
0.7 |
-- |
-0.1 |
-0.5 |
| DS Arkport |
25Jan2026, 00:00 |
25 |
1.1 |
-- |
0.0 |
0.2 |
| Downstream Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Tioga Junction |
25Jan2026, 00:00 |
359 |
7.7 |
15.0 |
0.2 |
0.4 |
| Lindley |
25Jan2026, 00:00 |
251 |
3.6 |
17.0 |
-0.2 |
-0.2 |
| Hornell |
24Jan2026, 23:45 |
44 |
0.8 |
5.5 |
0.2 |
-0.2 |
| West Cameron |
25Jan2026, 00:00 |
151 |
4.2 |
17.0 |
0.0 |
-0.0 |
| South Addison |
25Jan2026, 00:00 |
22 |
0.0 |
9.0 |
0.0 |
0.1 |
| Erwins |
24Jan2026, 23:45 |
522 |
1.5 |
18.0 |
-0.2 |
-0.0 |
| Corning |
25Jan2026, 00:00 |
2290 |
16.4 |
26.0 |
-0.1 |
-0.1 |
| Elmira |
24Jan2026, 23:30 |
1002 |
1.6 |
12.0 |
0.1 |
-0.1 |
| Chemung |
25Jan2026, 00:00 |
1184 |
3.8 |
16.0 |
0.0 |
-0.0 |
| Other Stream Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Bath |
24Jan2026, 23:30 |
276 |
3.7 |
15.7 |
-0.2 |
0.4 |
| Campbell |
25Jan2026, 00:00 |
296 |
3.0 |
10.0 |
0.3 |
0.1 |
| Avoca |
24Jan2026, 23:30 |
225 |
3.0 |
-- |
0.1 |
0.2 |
| Precipitation Data |
| Gage |
Date/Time |
6 Hour (in) |
24 Hour (in) |
48 Hour (in) |
| Arkport |
25Jan2026, 00:00 |
0.00 |
0.00 |
0.00 |
| Almond |
25Jan2026, 00:00 |
0.00 |
0.00 |
0.00 |
| Wellsville |
25Jan2026, 00:00 |
0.00 |
0.00 |
0.00 |
| Elkland |
25Jan2026, 00:00 |
0.00 |
0.00 |
0.01 |
| Cowanesque |
25Jan2026, 00:00 |
0.00 |
0.00 |
0.00 |
| Middlebury |
25Jan2026, 00:00 |
0.00 |
0.00 |
0.01 |
| Mansfield |
25Jan2026, 00:00 |
0.00 |
0.00 |
0.00 |
| Air Temperature Data |
| Gage |
Date/Time |
Latest (F) |
24 Hour High (F) |
24 Hour Low (F) |
| Cowanesque |
25Jan2026, 00:00 |
9.0 |
11.0 |
-2.0 |
| Tioga |
25Jan2026, 00:00 |
9.0 |
11.0 |
-3.0 |
| Conductance Data |
| Gage |
Date/Time |
Latest (umho/cm) |
6 Hour Change (umho/cm) |
24 Hour Change (umho/cm) |
| Mansfield |
25Jan2026, 00:00 |
192.0 |
11.0 |
28.0 |
| Tioga Junction |
25Jan2026, 00:00 |
198.0 |
2.0 |
-2.0 |
| pH Data |
| Gage |
Date/Time |
Latest (su) |
6 Hour Change (su) |
24 Hour Change (su) |
| Mansfield |
25Jan2026, 00:00 |
5.9 |
-0.4 |
-0.1 |
| Tioga Junction |
25Jan2026, 00:00 |
7.6 |
0.0 |
0.0 |
| Water Temperature Data |
| Gage |
Date/Time |
Latest (F) |
24 Hour High (F) |
24 Hour Low (F) |
| Lawrenceville |
25Jan2026, 00:00 |
33.4 |
35.1 |
33.1 |
| Mansfield |
25Jan2026, 00:00 |
32.0 |
32.0 |
32.0 |
| Tioga Junction |
23Jan2026, 20:15 |
31.6 |
33.8 |
31.6 |
Last Updated: 25Jan2026, 00:39
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