Pecos River in New Mexico
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Around Pecos River
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Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Pecos River is a 49.7 mile river. Streamflow is measured at the USGS gauge Pecos River near Lake Arthur, NM (site 08395500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1938 to 2026
Pecos River typically runs highest in October, at a median 82 cfs, and lowest in May, at 57 cfs. The highest flow on record for any single day is 39,800 cfs, in 1941.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 74 | 53 to 100 |
| February | 73 | 50 to 97 |
| March | 65 | 40 to 118 |
| April | 62 | 36 to 107 |
| May | 57 | 30 to 237 |
| June | 61 | 19 to 324 |
| July | 75 | 28 to 332 |
| August | 73 | 19 to 316 |
| September | 77 | 25 to 241 |
| October | 82 | 38 to 150 |
| November | 78 | 54 to 105 |
| December | 74 | 55 to 99 |
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 87 years of record. Statistics published by the US Geological Survey for Pecos River near Lake Arthur, NM (site 08395500). 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 Pecos 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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