Water Year
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El Niño Watch
—ONI °C
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What past El Niños did to these rivers ↓
Gages reporting
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of — · —
Below normal for the date
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under the 25th percentile
Normal
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25th–75th percentile
Above normal
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over the 75th percentile
Record
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daily means since Oct 1980
Watershed Overview — this water year against the record
10th–90th percentile25th–75thmedianlast water yearthis water year
Gage Locations
Percentile of today's flow among every same date since 1981. ▲ = flow set by dam releases.
Past 7 Days — Storm Pulse Detail (hourly from 15-minute readings)
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Water Year in Review
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El Niño and the Sierra — what the record says
Water-year runoff as % of median, by ENSO phase
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When the snow lets go — date half the year's water had passed Happy Isles
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