About this river
Big Soos Creek is a 3.5 mile river near City of Des Moines Marina in Washington. Streamflow is measured at the USGS gauge Big Soos Creek above Hatchery near Auburn, WA (site 12112600). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1967 to 2026
Big Soos Creek typically runs highest in January, at a median 222 cfs, and lowest in August, at 31 cfs. The highest flow on record for any single day is 3,580 cfs, in 1996.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 222 | 152 to 330 | |
| February | 206 | 145 to 284 | |
| March | 182 | 140 to 260 | |
| April | 151 | 115 to 187 | |
| May | 90 | 73 to 116 | |
| June | 62 | 50 to 89 | |
| July | 40 | 34 to 50 | |
| August | 31 | 27 to 36 | |
| September | 32 | 27 to 38 | |
| October | 37 | 31 to 49 | |
| November | 85 | 50 to 132 | |
| December | 172 | 101 to 282 |
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 59 years of record. Statistics published by the US Geological Survey for Big Soos Creek above Hatchery near Auburn, WA (site 12112600). 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 Big Soos Creek'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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