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Around North Fork Snoqualmie River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
North Fork Snoqualmie River is a 24.0 mile river near Alpine Adventures in Washington. Streamflow is measured at the USGS gauge NF Snoqualmie River near Snoqualmie Falls, WA (site 12142000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1930 to 2026
North Fork Snoqualmie River typically runs highest in May, at a median 651 cfs, and lowest in August, at 81 cfs. The highest flow on record for any single day is 13,200 cfs, in 2009.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 427 | 244 to 772 |
| February | 353 | 233 to 553 |
| March | 382 | 260 to 576 |
| April | 501 | 366 to 701 |
| May | 651 | 471 to 893 |
| June | 546 | 373 to 816 |
| July | 204 | 136 to 347 |
| August | 81 | 57 to 131 |
| September | 95 | 65 to 205 |
| October | 219 | 112 to 416 |
| November | 481 | 278 to 826 |
| December | 426 | 283 to 813 |
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 85 years of record. Statistics published by the US Geological Survey for NF Snoqualmie River near Snoqualmie Falls, WA (site 12142000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show North Fork Snoqualmie River'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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