About this river
Stewart Brook is a 3.7 mile stream near Adirondack Adventure Center in New York. Streamflow is measured at the USGS gauge Hudson River at Hadley NY (site 01318500). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1922 to 2026
Stewart Brook typically runs highest in April, at a median 7,230 cfs, and lowest in September, at 1,030 cfs. The highest flow on record for any single day is 42,400 cfs, in 2011.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 1,840 | 1,300 to 2,760 | |
| February | 1,640 | 1,200 to 2,400 | |
| March | 2,550 | 1,600 to 4,580 | |
| April | 7,230 | 4,965 to 10,950 | |
| May | 4,130 | 3,030 to 6,020 | |
| June | 1,995 | 1,310 to 2,945 | |
| July | 1,170 | 802 to 1,860 | |
| August | 1,060 | 717 to 1,550 | |
| September | 1,030 | 721 to 1,485 | |
| October | 1,290 | 955 to 2,230 | |
| November | 2,235 | 1,445 to 3,640 | |
| December | 2,090 | 1,500 to 3,410 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 105 years of record. Statistics published by the US Geological Survey for Hudson River at Hadley NY (site 01318500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Stewart Brook's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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