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Old 06-17-2008   #1
Denver, Colorado
Paddling Since: 2004
Join Date: Apr 2004
Posts: 3,095
Can someone explain the St Vrain gauges to me?

I'm confused about the St Vrain gauges on eddyflower. It looks like there is the st vrain @ lyons, which seems to be the combined flow of the north and south forks and is indicative of whats in the playpark at lyons. Eddyflower lists a flow for NSV, but the link says "town of lyons diversion". Is this a screw up or does the town on lyons diversion actually measure what is in NSV? Looks like SSV is calculated as st vrain at lyons minus NSV, which makes sense as long as the NSV gauge is right.

The only two NSV gauges I saw on the DWR website were both above buttonrock res, so I'm wondering if there is indeed a way to measure what is in NSV below buttonrock?


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Old 06-17-2008   #2
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Lyons, Colorado
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Town of Lyons Diversion is the flow coming from Buttonrock to Lyons via NSV. It is correct but and this is a BIG but
The bb/A-hole gage and NSV (town of Lyons diversion) gage are not updated simultaneously and you can then get wrong information if there are large fluctuations in flow in a short period of time........
SSV is calculated so you can see how this might happen

Don't ask about the O-hole Ian.

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Old 06-17-2008   #3
Denver, Colorado
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Join Date: Apr 2004
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Crystal clear now. Thanks!
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