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Around Mox Chehalis Creek
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Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Mox Chehalis Creek is a 14.6 mile river. Streamflow is measured at the USGS gauge Chehalis River at Porter, WA (site 12031000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1953 to 2026
Mox Chehalis Creek typically runs highest in January, at a median 7,220 cfs, and lowest in August, at 372 cfs. The highest flow on record for any single day is 58,200 cfs, in 2008.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 7,220 | 4,230 to 13,100 |
| February | 5,850 | 3,870 to 9,460 |
| March | 5,120 | 3,530 to 8,260 |
| April | 3,880 | 2,755 to 5,700 |
| May | 1,740 | 1,340 to 2,450 |
| June | 1,095 | 764 to 1,455 |
| July | 558 | 463 to 690 |
| August | 372 | 312 to 450 |
| September | 406 | 329 to 510 |
| October | 633 | 416 to 1,210 |
| November | 3,755 | 1,580 to 7,100 |
| December | 6,330 | 3,740 to 12,000 |
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 71 years of record. Statistics published by the US Geological Survey for Chehalis River at Porter, WA (site 12031000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Mox Chehalis 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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