About this river
Lateral PA is a 2.4 mile canal near AWOL Adventure Sports in Idaho. Streamflow is measured at the USGS gauge Snake River Gaging Station at Milner ID (site 13087995). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1993 to 2026
Lateral PA typically runs highest in May, at a median 228 cfs, and lowest in September, at 0.7 cfs. The highest flow on record for any single day is 26,000 cfs, in 1997.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 224 | 0.0 to 231 | |
| February | 224 | 0.0 to 229 | |
| March | 225 | 0.0 to 231 | |
| April | 226 | 0.3 to 1,630 | |
| May | 228 | 0.0 to 701 | |
| June | 226 | 0.0 to 291 | |
| July | 0.7 | 0.0 to 230 | |
| August | 0.7 | 0.0 to 226 | |
| September | 0.7 | 0.0 to 226 | |
| October | 1.0 | 0.0 to 227 | |
| November | 223 | 0.0 to 235 | |
| December | 225 | 0.0 to 235 |
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 33 years of record. Statistics published by the US Geological Survey for Snake River Gaging Station at Milner ID (site 13087995). 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 Lateral PA'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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