About this river
Rio Grande is a 6.7 mile river near New Wave Rafting in New Mexico. Streamflow is measured at the USGS gauge Rio Chama near Chamita, NM (site 08290000). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1971 to 2021
Rio Grande typically runs highest in May, at a median 1,280 cfs, and lowest in January, at 115 cfs. The highest flow on record for any single day is 3,570 cfs, in 1985.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 115 | 86 to 199 | |
| February | 117 | 90 to 188 | |
| March | 269 | 132 to 541 | |
| April | 685 | 440 to 1,620 | |
| May | 1,280 | 637 to 2,150 | |
| June | 856 | 406 to 1,575 | |
| July | 500 | 276 to 762 | |
| August | 496 | 215 to 692 | |
| September | 423 | 191 to 660 | |
| October | 190 | 101 to 357 | |
| November | 153 | 89 to 415 | |
| December | 169 | 101 to 453 |
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 50 years of record. Statistics published by the US Geological Survey for Rio Chama near Chamita, NM (site 08290000). 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 Rio Grande'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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