SUSQUEHANNA RIVER AT UNADILLA NY
USGS 01500500 · New York · reports discharge (live), gauge height
USGS 01500500 · New York · reports discharge (live), gauge height
What the agencies suggest
Carry a pocket thermometer to monitor water temperatureNational Park Service
General guidance from the readings and the published lines named above, not a fishing forecast. Local rules and closures come first.
Reading Nov 5, 9:00 PM EST · provisional USGS data
Below normal for Nov 5 Steady · 24 h Below NWS action stage
Discharge, last 7 days: 169 readings from Oct 29, 10:45 PM EDT to Nov 5, 9:00 PM EST; ranging 297 to 412 ft³/s; latest 301 ft³/s; shaded band: typical range (25th–75th percentile) for each date.
USGS provisional data may be revised. Source: USGS instantaneous values.
| Time | Discharge (ft³/s) | Gauge height (ft) | Normal, 25th–75th (ft³/s) |
|---|---|---|---|
| Nov 5, 9:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 8:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 7:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 6:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 5:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 4:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 3:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 2:00 PM EST | 297 | 2.65 | 315–1,490 |
| Nov 5, 1:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 12:00 PM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 11:00 AM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 10:00 AM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 9:00 AM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 8:00 AM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 7:00 AM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 6:00 AM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 5:00 AM EST | 301 | 2.66 | 315–1,490 |
| Nov 5, 4:00 AM EST | 305 | 2.67 | 315–1,490 |
| Nov 5, 3:00 AM EST | 305 | 2.67 | 315–1,490 |
| Nov 5, 2:00 AM EST | 305 | 2.67 | 315–1,490 |
| Nov 5, 1:00 AM EST | 305 | 2.67 | 315–1,490 |
| Nov 5, 12:00 AM EST | 305 | 2.67 | 315–1,490 |
| Nov 4, 11:00 PM EST | 305 | 2.67 | 325–1,540 |
| Nov 4, 10:00 PM EST | 305 | 2.67 | 325–1,540 |
| Nov 4, 9:00 PM EST | 305 | 2.67 | 325–1,540 |
| Nov 4, 8:00 PM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 7:00 PM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 6:00 PM EST | 297 | 2.65 | 325–1,540 |
| Nov 4, 5:00 PM EST | 297 | 2.65 | 325–1,540 |
| Nov 4, 4:00 PM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 3:00 PM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 2:00 PM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 1:00 PM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 12:00 PM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 11:00 AM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 10:00 AM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 9:00 AM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 8:00 AM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 7:00 AM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 6:00 AM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 5:00 AM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 4:00 AM EST | 301 | 2.66 | 325–1,540 |
| Nov 4, 3:00 AM EST | 305 | 2.67 | 325–1,540 |
| Nov 4, 2:00 AM EST | 305 | 2.67 | 325–1,540 |
| Nov 4, 1:00 AM EST | 305 | 2.67 | 325–1,540 |
| Nov 4, 12:00 AM EST | 305 | 2.67 | 325–1,540 |
| Nov 3, 11:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 10:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 9:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 8:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 7:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 6:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 5:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 4:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 3:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 2:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 1:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 12:00 PM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 11:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 10:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 9:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 8:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 7:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 6:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 5:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 4:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 3:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 2:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 3, 1:00 AM EST | 310 | 2.68 | 323–1,600 |
| Nov 3, 12:00 AM EST | 305 | 2.67 | 323–1,600 |
| Nov 2, 11:00 PM EST | 310 | 2.68 | 303–1,240 |
| Nov 2, 10:00 PM EST | 310 | 2.68 | 303–1,240 |
| Nov 2, 9:00 PM EST | 310 | 2.68 | 303–1,240 |
| Nov 2, 8:00 PM EST | 310 | 2.68 | 303–1,240 |
| Nov 2, 7:00 PM EST | 310 | 2.68 | 303–1,240 |
| Nov 2, 6:00 PM EST | 314 | 2.69 | 303–1,240 |
| Nov 2, 5:00 PM EST | 318 | 2.7 | 303–1,240 |
| Nov 2, 4:00 PM EST | 327 | 2.72 | 303–1,240 |
| Nov 2, 3:00 PM EST | 331 | 2.73 | 303–1,240 |
| Nov 2, 2:00 PM EST | 331 | 2.73 | 303–1,240 |
| Nov 2, 1:00 PM EST | 331 | 2.73 | 303–1,240 |
| Nov 2, 12:00 PM EST | 331 | 2.73 | 303–1,240 |
| Nov 2, 11:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 10:00 AM EST | 331 | 2.73 | 303–1,240 |
| Nov 2, 9:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 8:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 7:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 6:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 5:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 4:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 3:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 2:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 1:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 2, 12:00 AM EST | 336 | 2.74 | 303–1,240 |
| Nov 1, 11:00 PM EST | 340 | 2.75 | 268–1,430 |
| Nov 1, 10:00 PM EST | 340 | 2.75 | 268–1,430 |
| Nov 1, 9:00 PM EST | 340 | 2.75 | 268–1,430 |
| Nov 1, 8:00 PM EST | 340 | 2.75 | 268–1,430 |
| Nov 1, 7:00 PM EST | 340 | 2.75 | 268–1,430 |
| Nov 1, 6:00 PM EST | 340 | 2.75 | 268–1,430 |
| Nov 1, 5:00 PM EST | 340 | 2.75 | 268–1,430 |
| Nov 1, 4:00 PM EST | 340 | 2.75 | 268–1,430 |
| Nov 1, 3:00 PM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 2:00 PM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 1:00 PM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 12:00 PM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 11:00 AM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 10:00 AM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 9:00 AM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 8:00 AM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 7:00 AM EST | 345 | 2.76 | 268–1,430 |
| Nov 1, 6:00 AM EST | 349 | 2.77 | 268–1,430 |
| Nov 1, 5:00 AM EST | 349 | 2.77 | 268–1,430 |
| Nov 1, 4:00 AM EST | 349 | 2.77 | 268–1,430 |
| Nov 1, 3:00 AM EST | 349 | 2.77 | 268–1,430 |
| Nov 1, 2:00 AM EST | 349 | 2.77 | 268–1,430 |
| Nov 1, 1:00 AM EST | 349 | 2.77 | 268–1,430 |
| Nov 1, 1:00 AM EDT | 354 | 2.78 | 268–1,430 |
| Nov 1, 12:00 AM EDT | 354 | 2.78 | 270–1,500 |
| Oct 31, 11:00 PM EDT | 354 | 2.78 | 270–1,500 |
| Oct 31, 10:00 PM EDT | 354 | 2.78 | 270–1,500 |
| Oct 31, 9:00 PM EDT | 359 | 2.79 | 270–1,500 |
| Oct 31, 8:00 PM EDT | 354 | 2.78 | 270–1,500 |
| Oct 31, 7:00 PM EDT | 354 | 2.78 | 270–1,500 |
| Oct 31, 6:00 PM EDT | 354 | 2.78 | 270–1,500 |
| Oct 31, 5:00 PM EDT | 354 | 2.78 | 270–1,500 |
| Oct 31, 4:00 PM EDT | 359 | 2.79 | 270–1,500 |
| Oct 31, 3:00 PM EDT | 363 | 2.8 | 270–1,500 |
| Oct 31, 2:00 PM EDT | 378 | 2.83 | 270–1,500 |
| Oct 31, 1:00 PM EDT | 392 | 2.86 | 270–1,500 |
| Oct 31, 12:00 PM EDT | 397 | 2.87 | 270–1,500 |
| Oct 31, 11:00 AM EDT | 392 | 2.86 | 270–1,500 |
| Oct 31, 10:00 AM EDT | 397 | 2.87 | 270–1,500 |
| Oct 31, 9:00 AM EDT | 397 | 2.87 | 270–1,500 |
| Oct 31, 8:00 AM EDT | 402 | 2.88 | 270–1,500 |
| Oct 31, 7:00 AM EDT | 402 | 2.88 | 270–1,500 |
| Oct 31, 6:00 AM EDT | 402 | 2.88 | 270–1,500 |
| Oct 31, 5:00 AM EDT | 402 | 2.88 | 270–1,500 |
| Oct 31, 4:00 AM EDT | 402 | 2.88 | 270–1,500 |
| Oct 31, 3:00 AM EDT | 407 | 2.89 | 270–1,500 |
| Oct 31, 2:00 AM EDT | 407 | 2.89 | 270–1,500 |
| Oct 31, 1:00 AM EDT | 407 | 2.89 | 270–1,500 |
| Oct 31, 12:00 AM EDT | 407 | 2.89 | 272–1,500 |
| Oct 30, 11:00 PM EDT | 412 | 2.9 | 272–1,500 |
| Oct 30, 10:00 PM EDT | 412 | 2.9 | 272–1,500 |
| Oct 30, 9:00 PM EDT | 412 | 2.9 | 272–1,500 |
| Oct 30, 8:00 PM EDT | 412 | 2.9 | 272–1,500 |
| Oct 30, 7:00 PM EDT | 412 | 2.9 | 272–1,500 |
| Oct 30, 6:00 PM EDT | 402 | 2.88 | 272–1,500 |
| Oct 30, 5:00 PM EDT | 382 | 2.84 | 272–1,500 |
| Oct 30, 4:00 PM EDT | 378 | 2.83 | 272–1,500 |
| Oct 30, 3:00 PM EDT | 378 | 2.83 | 272–1,500 |
| Oct 30, 2:00 PM EDT | 373 | 2.82 | 272–1,500 |
| Oct 30, 1:00 PM EDT | 378 | 2.83 | 272–1,500 |
| Oct 30, 12:00 PM EDT | 378 | 2.83 | 272–1,500 |
| Oct 30, 11:00 AM EDT | 378 | 2.83 | 272–1,500 |
| Oct 30, 10:00 AM EDT | 373 | 2.82 | 272–1,500 |
| Oct 30, 9:00 AM EDT | 373 | 2.82 | 272–1,500 |
| Oct 30, 8:00 AM EDT | 373 | 2.82 | 272–1,500 |
| Oct 30, 7:00 AM EDT | 368 | 2.81 | 272–1,500 |
| Oct 30, 6:00 AM EDT | 363 | 2.8 | 272–1,500 |
| Oct 30, 5:00 AM EDT | 363 | 2.8 | 272–1,500 |
| Oct 30, 4:00 AM EDT | 363 | 2.8 | 272–1,500 |
| Oct 30, 3:00 AM EDT | 363 | 2.8 | 272–1,500 |
| Oct 30, 2:00 AM EDT | 363 | 2.8 | 272–1,500 |
| Oct 30, 1:00 AM EDT | 363 | 2.8 | 272–1,500 |
| Oct 30, 12:00 AM EDT | 363 | 2.8 | 246–1,460 |
| Oct 29, 11:00 PM EDT | 368 | 2.81 | 246–1,460 |
| Oct 29, 10:45 PM EDT | 368 | 2.81 | 246–1,460 |
Map of USGS gauge 01500500 and the river around it
Where SUSQUEHANNA RIVER AT UNADILLA NY sits, with 2 other gauges on the same river.
No current water-temperature reading at this gauge, so no temperature guidance is given. Take a stream thermometer: the trout lines New York DEC uses are 70°F.
Species list not on file for this gauge. Check the New York State Department of Environmental Conservation: New York fish stocking lists · .
Normal for Nov 5: 315–1,490 ft³/s (middle half of 69 years of record). Now: 301 ft³/s, below normal.
Below normal for this date. 301 ft³/s is between the 10th and 25th percentiles of daily mean flow for Nov 5 at this gauge over 69 years of record (1939–2026): 10th 203, 25th 315, median 676, 75th 1,490, 90th 2,660 ft³/s.
Daily means on record for Nov 5: lowest 62 ft³/s, highest 4,190 ft³/s.
Classes as USGS labels them (hyswap: flow categories (WDFN_stats schema) (U.S. Geological Survey) ); percentiles from the USGS daily statistics (U.S. Geological Survey) (approved daily means; the reading is provisional and instantaneous).
Steady over 24 hours (−1.3% discharge). Rising or falling means a change of more than 10% in discharge (or 0.2 ft of gauge height) over 24 hours; our rule of thumb, not a USGS class.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
Flood categories: action stage, minor, moderate and major flooding (National Weather Service)Turn Around Don't Drown. “A mere 6 inches of fast-moving flood water can knock over an adult.” No flow number makes a crossing safe; if in doubt, stay out.
Turn Around Don't Drown (National Weather Service)Guidance from the readings above and the published thresholds named with each line; not a fishing forecast, a safety guarantee or a statement about access. Local rules and closures come first.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
NWS observed 2.71 ft stage, 322 ft³/s at Nov 5, 8:00 PM EST (NWS gauge UNDN6; its stage datum can differ from the USGS gauge height).
NWS river forecast forecast issued Nov 5, 9:41 AM EST. Highest point: 3 ft, 465 ft³/s on Nov 6, 7:00 AM EST (Below NWS action stage).
| Day | Stage | Flow |
|---|---|---|
| Thu, Nov 5 | 2.7 ft | 318 ft³/s |
| Fri, Nov 6 | 3 ft | 465 ft³/s |
| Sat, Nov 7 | 2.8 ft | 363 ft³/s |
| Sun, Nov 8 | 2.7 ft | 318 ft³/s |
Open the NWS gauge page · What the categories mean (National Weather Service)
Checked Nov 5, 9:42 PM EST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.