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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 |
12Aug2026, 04:00 |
10146 |
1081.39 |
1081.0 |
1131.0 |
0.04 |
0.14 |
| Hammond |
12Aug2026, 04:00 |
9296 |
1086.74 |
1086.0 |
1131.0 |
-0.02 |
-0.02 |
| Cowanesque |
12Aug2026, 04:00 |
30873 |
1080.95 |
1080.0 |
1117.0 |
0.01 |
0.09 |
| Almond |
12Aug2026, 04:00 |
926 |
1260.63 |
1260.0 |
1300.0 |
0.00 |
0.08 |
| Arkport |
12Aug2026, 04:00 |
0 |
1227.08 |
1218.0 |
1304.0 |
0.01 |
0.00 |
| Inflow Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Middlebury |
12Aug2026, 04:00 |
19 |
39.1 |
-- |
0.0 |
-0.2 |
| Corey Creek |
12Aug2026, 03:15 |
1 |
1.4 |
-- |
0.0 |
-0.0 |
| Mansfield |
12Aug2026, 04:00 |
37 |
-0.1 |
12.0 |
-0.0 |
-0.0 |
| Westfield |
12Aug2026, 03:15 |
21 |
-0.1 |
-- |
-0.0 |
-0.3 |
| Elkland |
12Aug2026, 04:00 |
55 |
16.0 |
-- |
No Data |
-0.2 |
| Outflow Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Tioga River |
12Aug2026, 04:00 |
86 |
0.7 |
-- |
0.0 |
0.2 |
| Lawrenceville |
12Aug2026, 04:00 |
40 |
7.3 |
13.0 |
0.0 |
0.0 |
| Canacadea Creek |
12Aug2026, 04:00 |
23 |
1.1 |
-- |
0.0 |
0.0 |
| DS Arkport |
12Aug2026, 04:00 |
9 |
0.8 |
-- |
-0.0 |
-0.1 |
| Downstream Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Tioga Junction |
12Aug2026, 04:00 |
96 |
6.8 |
15.0 |
0.0 |
0.1 |
| Lindley |
12Aug2026, 04:00 |
144 |
3.3 |
17.0 |
0.0 |
0.1 |
| Hornell |
12Aug2026, 03:45 |
56 |
0.9 |
5.5 |
-0.0 |
-0.2 |
| West Cameron |
12Aug2026, 04:00 |
113 |
4.0 |
17.0 |
-0.0 |
-0.1 |
| South Addison |
12Aug2026, 04:00 |
4 |
2.3 |
11.0 |
-0.0 |
-0.1 |
| Erwins |
12Aug2026, 03:45 |
278 |
1.0 |
18.0 |
0.0 |
-0.1 |
| Corning |
12Aug2026, 04:00 |
496 |
14.9 |
26.0 |
0.0 |
-0.1 |
| Elmira |
12Aug2026, 03:30 |
455 |
1.2 |
12.0 |
-0.0 |
-0.1 |
| Chemung |
12Aug2026, 04:00 |
625 |
3.2 |
16.0 |
-0.0 |
-0.1 |
| Other Stream Gages |
| Gage |
Date/Time |
Latest
Flow (cfs) |
Stage (ft) |
| Latest |
Flood |
6 Hour Change |
24 Hour Change |
| Bath |
12Aug2026, 03:30 |
1083 |
2.4 |
15.7 |
-0.0 |
-0.1 |
| Campbell |
12Aug2026, 04:00 |
100 |
2.4 |
10.0 |
-0.0 |
-0.1 |
| Avoca |
12Aug2026, 03:30 |
48 |
2.5 |
-- |
-0.0 |
-0.1 |
| Precipitation Data |
| Gage |
Date/Time |
6 Hour (in) |
24 Hour (in) |
48 Hour (in) |
| Arkport |
12Aug2026, 04:00 |
0.00 |
0.00 |
0.31 |
| Almond |
12Aug2026, 04:00 |
0.00 |
0.00 |
0.25 |
| Wellsville |
12Aug2026, 04:00 |
0.00 |
0.90 |
0.90 |
| Elkland |
12Aug2026, 04:00 |
0.00 |
0.00 |
0.34 |
| Cowanesque |
12Aug2026, 04:00 |
0.00 |
0.00 |
0.19 |
| Middlebury |
12Aug2026, 04:00 |
0.00 |
0.00 |
0.36 |
| Mansfield |
12Aug2026, 04:00 |
0.00 |
0.00 |
0.24 |
| Air Temperature Data |
| Gage |
Date/Time |
Latest (F) |
24 Hour High (F) |
24 Hour Low (F) |
| Cowanesque |
12Aug2026, 04:00 |
66.0 |
78.0 |
66.0 |
| Tioga |
12Aug2026, 04:00 |
61.0 |
81.0 |
61.0 |
| Conductance Data |
| Gage |
Date/Time |
Latest (umho/cm) |
6 Hour Change (umho/cm) |
24 Hour Change (umho/cm) |
| Mansfield |
12Aug2026, 04:00 |
273.0 |
-18.0 |
-17.0 |
| Tioga Junction |
12Aug2026, 04:00 |
217.0 |
2.0 |
6.0 |
| pH Data |
| Gage |
Date/Time |
Latest (su) |
6 Hour Change (su) |
24 Hour Change (su) |
| Mansfield |
12Aug2026, 04:00 |
6.5 |
0.1 |
-0.1 |
| Tioga Junction |
12Aug2026, 04:00 |
7.5 |
-0.2 |
0.1 |
| Water Temperature Data |
| Gage |
Date/Time |
Latest (F) |
24 Hour High (F) |
24 Hour Low (F) |
| Lawrenceville |
12Aug2026, 04:00 |
68.9 |
75.2 |
68.9 |
| Mansfield |
12Aug2026, 04:00 |
70.7 |
75.4 |
70.7 |
| Tioga Junction |
12Aug2026, 04:00 |
72.5 |
75.6 |
72.3 |
Last Updated: 12Aug2026, 04:24
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