Gauge Description:

The cited gauge is 17.3 river-miles upstream. A handful of decent sized tribs enter below. Drainage area at the gauge is 129 sq.mi., while at a defunct gauge listed  drainage of 195 sq.mi. within a mile upstream of the listed put-in. Thus if/when the entire watershed contributes flow evenly/proportionally, flow in this reach would generally be nearly 1.5 times flow listed on the gauge! On the other hand, when localized rains hit tribs unevenly, flow in the whitewater reach could vary significantly from expectations based upon flow reported by the upstream gauge. Quite regularly the gauge may 'under-report', I.E., this could be boatable (even moderate flows!) when gauge says it's too low (if rain hit tribs other than where gauge is). Also possible (less often), the gauge may 'over-report', showing higher flows than yet exist in the whitewater reach (eg., if reaches above the gauge get hit with rain, and it hasn't worked its way downriver to the whitewater reach). Thus, first-hand on-site observation of the reach is needed to confirm actual conditions.

Some local folks will boat this with reported flows as low as 50 cfs or so. Obviously things will be scrapey, but a couple spots are available for tame play. The 'minimum' as set here is for a more reasonable play experience with more features formed up for good play. 
The 'maximum' as set here is more an indicator of a 'bump up' in difficulty level. The river is definitely runnable/playable much higher. (There are reported runs at 1300 cfs and more!)

Based upon the latest 22 years of data,

The 10/90 ratio of 5.88 would tne to indicate this is what would be classified as a only a moderately 'flashy' stream. A disclaimer here that the analysis is only upon "mean daily flow", thus will not accurately reflect the effect of instantaneous spikes of duration less than a day which often affect urban streams, smaller streams, and streams with less permeable surface in their watershed.